The medicinal effects of Ginkgo
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Ginkgo
——Written by Li Shizhen
[Explanation of name] Ginkgo is for daily use, duck feet. (Shi Zhen said) It is native to the south of the Yangtze River and has leaves like duck paws, hence its name. At the beginning of the Song Dynasty, tribute was paid and the name was changed to Ginkgo. Because it looks like a small apricot and its core is white. Today's name is Ginkgo. Mei Xiaochen's poem: The duck-footed green plum is named because of its high leaves. Ouyang Xiu's poem: Jiangnang pays tribute, and Ginkgo is expensive in Zhongzhou. Yes.
[Collection Explanation] (Shi Zhen said) Ginkgo grows in the south of the Yangtze River, and the one in Xuancheng wins. The tree is two or three feet high. The leaves are thin and vertically arranged, just like a duck's paw shape, with notches, green face and light back. It blooms in clusters in February, green and white. It blooms at the second watch and then falls off. It is rare for people. One branch bears hundreds of neem seeds, which look like neem seeds. After frost, they are ripe and rotten. The flesh is removed and the core is taken as the fruit. The nucleus is pointed at both ends, with three edges for males and two edges for females. The kernels are green when young and yellow over time. It must be of the same male and female species, and the trees facing each other will bear fruit; or a female tree can be near the water; or a hole can be drilled, and a piece of mud from the male tree can be placed inside, and the tree will bear fruit. The relationship between yin and yang is so wonderful. Its tree is durable and its texture is white and greasy. Artists seek to engrave talismans on it, so that they can summon envoys. "anthology. Wu Du Fu" Note: Pingzhong fruit is actually like silver. It is unknown whether this is the result?
[Odor] Kernels are sweet, bitter, flat, astringent, and non-toxic. (Shi Zhen said) Cooked food is slightly bitter and slightly sweet, warm in nature and slightly poisonous. Eating too much makes you bloated. (Rui said) Eating too much will block the Qi and cause wind. Children who eat too much are dizzy and frightened, causing rickets. The same as eating eels and fish, you will suffer from soft wind.
〔Indications〕 Raw food induces malnutrition and relieves alcoholism, while cooked food is beneficial. Li Pengfei. Cooked food warms the lungs and replenishes qi, relieves asthma and cough, reduces defecation and relieves white turbidity. Raw food reduces phlegm, disinfects and kills insects. Chew the pulp and apply it on the nose, face, hands and feet to remove wrinkles, scabies, malnutrition and pubic lice. Shizhen.
[Invention] (Shi Zhen said) Ginkgo was famous in the early Song Dynasty, but those who cultivated herbal medicine did not accept it. Recently, prescriptions and medicines are also used. Its odor is thin, its taste is thick, its nature is astringent and astringent, and its color is white and golden. Therefore, it can enter the lung meridian, replenish lung qi, relieve asthma and cough, and reduce defecation. Pounding it raw can remove greasiness, so its effect in removing phlegm and turbidity can be deduced by analogy. Its flowers bloom at night and cannot be seen by people. They cover insidious things, so they can kill insects and disinfect. However, if you eat too much, you will overdo the command. If you eat too much, you will feel bloated and dizzy. Therefore, the book on the relationship between things says that ginkgo can intoxicate people, and the book on longevity of three yuan says that those who eat a thousand ginkgo will die. It is also said: In the past, hungry people took ginkgo instead of rice to satisfy themselves, and they all died the next day.
[Attached] New Eighteenth.
For cold cough, phlegm and asthma, simmer seven ripe ginkgo fruits and make seven pills of cooked moxa. Add one pill of moxa into each fruit, wrap it in paper, simmer until fragrant, remove the moxa and eat. Secret recipe.
Duck Foot Powder for Asthma and Phlegm Cough: Use five gingko biloba, two and a half qian of ephedra, two qian of roasted licorice, one hour and a half of water, decoct for eight minutes, and take it while lying down. There is also a shop in Jinling that treats asthma with Ginkgo Dingchuan Decoction. Every patient who takes it has no effect. This is how he started his career. Prescription: Stir-fry yellow with twenty-one ginkgo seeds, three qian of ephedra, two qian of perilla, coltsfoot flower, two qian each of legalized pinellia, honey-roasted mulberry bark, peeled almonds and slightly fried skullcap, one and a half qian each. , one penny of licorice, three minutes of water, two minutes of decoction, divided into two doses at any time. No need for ginger. And health prescriptions.
4 liang of white nuts, 2 liang of white poria, mulberry bark, half a liter of black beans, stir-fry, half a catty of honey, cooked and dried into powder, mix with half a bowl of milk and steam for 9 seconds After nine days of drying, the pills are as big as mung beans. Take 30 to 50 pills each time and drink it with white soup, it will have a magical effect. I am a layman.
Frequent urination. Fourteen ginkgo fruits, simmered and eaten for seven days, will stop taking effect.
Purination is white and turbid. Take ten pieces of raw white nuts and drink them with water. Take once a day until the effect stops.
Red and white vaginal discharge, lower yuan is exhausted. Ginkgo, lotus meat, glutinous rice are five qian each, and pepper is one and a half qian. Use a black-bone chicken, remove the intestines and fill it with medicine, boil it in an earthenware vessel until it is cooked, and eat it hollow. Collect simple recipes.
For intestinal wind and blood, simmer the ginkgo biloba to release the fire, eat it and drink rice.
Intestinal wind poisoning: Forty-nine pieces of ginkgo, peeled and ground raw, mixed with hundreds of medicinal herbs, fried into powder and made into pills, big marbles. Take two or three pills each time, chew carefully, and give rice drink. Dai Yuanli is the key to diagnosis and treatment.
Tooth worms: raw ginkgo, chew one or two after each meal, good. Yonglei Lingfang.
For cracked hands and feet, chew raw ginkgo and apply it every night.
Chew ginkgo and wine residue together for nose and face, and wash them off at night. Medical forest collection.
For tinea sores on the head and face, cut off the raw white nuts and rub them frequently to get the effect. Shaw's empirical formula.
For lower part of the body, use ginkgo pestle and apply it on it. Zhao Yuanyang.
Pubic lice cause itching. There are insects like lice in the pubic hair, which may be red or white. The itching cannot be tolerated. Chew the core of the white fruit finely and rub it frequently to get the effect. Liu Changchun Fang.
If dog bites cause sores, chew raw white nuts and apply them carefully.
Bad carbuncle ulcer: Grind half a pound of ginkgo with four ounces and drink it with wine; grind it with four ounces and apply it. Easy first aid prescription.
Water boils and dark boils Water boils are yellow in color, numb and painless; dark boils are convex and red in color, making people dizzy. Prick the four sides first, then peel the old ginkgo biloba and soak it in oil, then pound it. Puji Fang.
Medicinal uses of Ginkgo biloba
The medicinal uses of Ginkgo biloba are mainly reflected in three aspects: medicine, pesticides and veterinary drugs. Li Shizhen in the Ming Dynasty once said: "Enter the lung meridian, benefit the spleen, calm asthma and cough, and reduce defecation." Zhang Lulu's "Ben Jing Fengyuan" in the Qing Dynasty recorded that ginkgo has the functions of reducing phlegm, clearing toxins, and killing insects, and can treat "sores" Scabies, ulcerated breast ulcers, dental caries, diarrhea in children, red and white vaginal discharge, chronic stranguria, spermatorrhea and enuresis." In the Ming Dynasty, Chinese patent medicines prepared from ginkgo leaves appeared in Jiangsu, Sichuan and other places for clinical use.
Why Ginkgo can be used for medical treatment
Kawamura (1928) isolated three compounds: ginkgo acid, ginkgo alcohol and ginkgool from the pulp of ginkgo.
Furukawa (1933) studied the structural formulas of these three compounds. The main function of Ginkgo is to fight against tuberculosis.
Zhu Weizhang (1943), through chemical and toxicological research on Ginkgo biloba, believed that Ginkgo biloba can cause convulsions in mice.
Lin Chuanguang et al. (1949) experimentally concluded that white juice, white pulp ginkgo alcohol, especially ginkgo acid, can inhibit the growth of bacilli in test tubes, while ginkgo alcohol can promote the growth of mycobacteria. In addition, Ginkgo has varying degrees of inhibitory effects on various types of pathogens. The pulp of the fruit has stronger antibacterial power than the peel.
Cao Renlie (1957) also reported that its water immersion agent had varying degrees of inhibitory effects on several types of ringworm. Many researchers have extracted ginkgo biloba from fresh ginkgo, which has been tested to have a paralyzing effect on isolated rabbit intestines, cause isolated uterine contractions, have a temporary lowering effect on blood pressure in rabbits, and cause an increase in vascular permeability.
Ginkgo biloba also has important medicinal value. So far, there are more than 160 kinds of Ginkgo leaf extracts whose chemical composition is known. Mainly include flavonoids, terpenes, phenols, alkaloids, polyisoprene, quinic acid, linoleic acid, pythonic acid, ascorbic acid, a-hexenal, ginkgo alcohol, ginkgo ketone, etc. Among them, ciaflavin is the main component. Ginkgo leaf crude extract contains four kinds of biflavonoids (ciatoflavin, ginkgoflavin, isoginkgoflavin, and ginkgoflavonoid), with the highest content in autumn leaves. Autumn leaves are 17.2 mg/g, and summer leaves are 4.4 mg/g. In the 1960s, the Institute of Botany of the Chinese Academy of Sciences and other institutions developed Shuxuening injection using ginkgo leaves, which has been tested to have certain curative effects on coronary heart disease, angina pectoris, and cerebrovascular diseases.
Wuhan Military Region General Hospital has observed the clinical efficacy of more than 100 cases of hypercholesterolemia and believes that Ginkgo biloba extract (coronary ketone) has a certain antihypertensive effect. Subsequently, Germany, the United Kingdom, France, the United States, South Korea, etc. all used ginkgo to create drugs for the treatment of cardiovascular and cerebrovascular diseases. In the 1980s, Shanghai Tiangong Pharmaceutical Factory, Hubei Anlu Pharmaceutical Factory, Shenzhen Nanfang Pharmaceutical Factory, etc. all produced drugs made from ginkgo leaves. In 1996, the United States applied for a patent for Ginkgo extract AGE, which was a step forward from the original GBE. Tancheng, Shandong Province uses ginkgo flavonoids to produce ginkgo beer and ginkgo drinks. Professor Xu Mu of Shandong Agricultural University and Yilin Institute of Science and Technology developed Ginkgo leaf tea.
The outer testa of Ginkgo biloba contains a large amount of hydrogenated ginkgo acid and ginkgo flavonoids. The water-soluble component of the outer testa has a good antitussive and expectorant effect, and its properties are similar to cyclophosphamide and dexamethasone. The effective rate of inhibition of 22 common clinical pathogenic fungi by ectoside alcohol intermediates is 81. The effective rate of 0.1 hydrogenated ginkgo acid in inhibiting 25 clinical pathogenic fungi is 92.
The outer seed coat extract has an inhibitory rate of 88-100% against 11 types of plant bacteria including apple charcoal disease. The alcohol extract has a control rate of 100% against crop diseases and insect pests within 3 days.
The roots of Ginkgo can also be used as medicine. According to research by Dou Guoxiang (1981), ginkgo root contains ginkgolide C, M, A, and B, which are sweet, mild, and non-toxic in nature and flavor. It can cure leucorrhea and spermatorrhea. This research result has opened up the medicinal uses of ginkgo, allowing ginkgo roots, which have always been used as firewood or even waste, to find new uses as raw materials for medicines and to develop resources.
Ginkgo has the effect of treating Alzheimer's disease
According to Xinhua News Agency, Rio de Janeiro, April 2:
According to media reports here, research from the Federal University of S?o Paulo in Brazil Researchers have discovered that ginkgo, an ancient plant produced in China, can help treat Alzheimer's disease and delay brain aging.
A scientific research team led by Dr. Santos, a famous Brazilian neurologist, began to study the treatment of patients with late-stage Alzheimer's disease a few years ago. The results found that Ginkgo has functions such as unblocking blood vessels, and can delay brain aging in the elderly. It has an effect in enhancing memory that is difficult to achieve with conventional drugs.
This scientific research team selected 48 Alzheimer's patients between the ages of 60 and 70 in the experiment. These patients were divided into two groups. The first group took 80 mg of refined ginkgo every day. juice, and the other group received a placebo. Six months later, the researchers found that the patients who took the placebo became more and more seriously ill, while the patients who took the ginkgo juice had significant improvements in memory, concentration, and ability to complete complex movements.
The plant that saves the brain - Ginkgo
Extracted from: "New York Times" bestseller "Magic Foods" Delaying Aging---Basic Strategies for Delaying and Reversing the Aging Process
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Author: [American] Jean Carper
Translator: Qiu Wei and Zhang Min
Published by: Xinhua Publishing House
If If you have any circulatory problems or you want to prevent them, including the decline in brain function due to age, then Ginkgo can be a good bet. If a doctor knew about the effects of ginkgo, he would definitely add it to his prescription. Luckily, you can find it at any health food store. Yes, the name Ginkgo is foreign and strange to many Americans; it sounds like something from an ancient kingdom in the East. But it's actually a very common ornamental plant found throughout the United States and other parts of the world. Ginkgo biloba, crushed into powder or liquid form, has long been known for its rejuvenating effects on the brain. After five thousand years of intermittent popularization and dissemination of the medicinal value of ginkgo, the leaf split down the middle has gained a permanent new lease of life. Ginkgo is an ancient plant that also has unique effects on aging problems. The anti-aging ability of Ginkgo has a great influence on science in Germany and France. Tens of millions of people in these two countries use it to fight aging and have achieved great success.
Dr. Taylor, an authority on medicinal plants at Purdue University, claims that ginkgo is "the most important medicinal plant sold in Europe in the past 10 years." For example, in Germany, where ginkgo leaf extracts are subject to rigorous testing, doctors write 5 million prescriptions containing ginkgo biloba each year to combat some of the worst symptoms of aging, including memory loss.
What is Ginkgo? In technical terms, this anti-aging substance is called Ginkgo biloba extract. Ginkgo is an ornamental plant with a history of 200 million years. Now it mainly grows in temperate regions around the world, including the United States. Its leaves, the part with medicinal value, are divided into two lobes, so they are called bilobed leaves. Fifty pounds of dried ginkgo leaves can be used to make one pound of ginkgo leaf extract, which can be liquid or solid. It is usually made into capsules or compressed into tablets.
The secret of Ginkgo’s anti-aging ability. According to reports from some well-known scientific magazines, Ginkgo’s most outstanding anti-aging ability lies in its ability to improve blood circulation. This function is very important for some elderly people whose blood vessels age, lose elasticity and develop clots.
Apparently, Ginkgo can help blood pass through the smallest and narrowest blood vessels more smoothly, allowing the oxygen-deprived parts of the brain, heart and limbs to receive nutrients, restoring memory and eliminating muscle pain. More than 300 scientific papers on ginkgo have been published in various magazines, many of which demonstrate that ginkgo can stimulate blood circulation and increase the supply of oxygen to tissues, probably by dilating blood vessels and preventing excessive blood viscosity and platelet deposition. to work. The most important thing is that Ginkgo not only delivers more oxygen and blood to healthy parts of the brain, but also pays special attention to parts damaged by disease, so it can give new life to the aging brain.
The powerful effect of Ginkgo also comes from another aspect: it is a highly effective antioxidant. A recent trial showed that ginkgo is more efficient than vitamin E in scavenging free radicals, so it can effectively prevent the oxidation of high-fat cell membranes. Dr. Dery of the French Pasteur Society believes that the most important function of Ginkgo is to restore the integrity of the cell membrane after the damage to cells by free radicals. In an important animal study, Dr. Dery also found that ginkgo can restore the ability of brain cells to receive signals from the neurotransmitter system that guides the brain to perform work. For example, ginkgo miraculously restores receptor points in brain cells, increasing the delivery of an important brain chemical called serotonin that is lost with age. This is another way Ginkgo can reverse brain aging.
In Europe, Ginkgo has gained a reputation for improving the quality of life for the elderly, and it should become an important partner in the life of everyone who wants to live a happy and healthy old age.
(——McCab, president of the Colorado Herbal Research Society, a non-profit organization that studies herbs.)
How does Ginkgo work? Anti-aging and improved brain function. As we age, the body's ability to carry oxygenated blood through the tiny capillaries in the brain gradually decreases, a condition known as cerebral insufficiency. Its symptoms are well known: decreased concentration and short-term memory, absentmindedness, confusion, weakness, fatigue, depression, anxiety, dizziness and tinnitus.
According to some surprising research results, ginkgo can improve symptoms of insufficient blood supply to the brain. Doctors Kleijn and Nepchier of Limburg University in Maastricht in the Netherlands analyzed 40 controlled studies and published a paper in the British Journal of Clinical Pharmacology in 1992 stating that, Using Ginkgo to treat cerebral insufficiency has the same effect as the commonly used Codergocrine (HydergrineTM). The two Dutch doctors specifically cited two studies conducted in Germany in 1991. One of the studies used ginkgo to treat 99 elderly patients who had suffered from brain dysfunction for more than two years. It was found that after 3 months, 72% of the people's symptoms had improved, compared with those treated with a placebo. Only 8 out of 100 people had symptoms improved. Similarly, German researchers conducted an experiment on 200 patients with memory dysfunction for more than 4 years, with an average age of 69. The result was that after taking Ginkgo biloba preparations for 3 months, 71% of the patients improved their symptoms, while only taking placebo during the same period. Only 32 patients improved after taking the drug.
These two Dutch researchers are convinced of the medicinal value of ginkgo. They said that once they have symptoms of insufficient blood supply to the brain, they will definitely take ginkgo to treat it, because all studies have not found that Ginkgo has any obvious serious side effects. According to their research, the most common daily dosage for treating cerebral insufficiency is 120 mg, and symptom improvement generally occurs four to six weeks after taking it.
The treatment of hydrocephalus is an unsolved problem in neurology and neurosurgery, but animal experiments have confirmed that ginkgo extract has a good effect on chemically induced hydrocephalus. Ginkgo also protects the liver, reduces irregular heartbeats, prevents fatal bronchoconstriction in allergic reactions, and is used in other cases to treat asthma, transplant rejection, myocardial infarction, stroke, organ protection, and dialysis.
(—Dr. Heterber, teaches at the University of Arizona College of Medicine.)
Saving the Aging Brain Ginkgo appears to have a role in older people who need it more than younger people Faster and more efficient effects. According to the results of an Italian study, intravenous injection of ginkgo extract increased blood flow to the brain in 70-year-old elderly people. However, for people aged 30 to 50, the ratio is only 20. On the other hand, the blood volume of people aged 50 to 70 increased by 70%, and the time required for the blood flow to increase to the maximum amount was shorter in the elderly than in the young people.
Recover memory quickly In some cases, memory can be improved quickly. France conducted a double-blind experiment on 18 elderly men and women with an average age of 69, all of whom suffered from mild memory impairment. Ginkgo improved the speed at which their brains processed information. An hour before the experiment, the researchers gave the participants 320 milligrams of ginkgo or 600 milligrams of a placebo, and found that ginkgo almost halved the information processing speed of the participants.
Delay the onset of Alzheimer's disease According to a double-blind experiment in Germany on 40 patients diagnosed with Alzheimer's disease, ginkgo seems to be able to improve some symptoms of these patients. After taking 80 mg of Ginkgo biloba three times a day for a month, memory, concentration and sports mental state were significantly improved. Since Alzheimer's disease is thought to be caused in part by free radical damage, Ginkgo's antioxidant activity may well be able to slow the progression of this damage, which would be even better if used proactively. Dr. Brown, director of the Seattle Natural Products Research Advisory Council, said: "Ginkgo biloba extract is one of the few that can truly be called a good value for money."?
Improved peripheral blood circulation As people age, they may suffer from leg pain due to restricted blood flow into peripheral arteries, a condition known as intermittent lameness. When blood circulation is too weak, the amount of oxygen in the muscles decreases, the production of toxic substances and radicals increases, and pain occurs. There is solid evidence that ginkgo can relieve this pain by stimulating blood circulation. A German statistic shows that it conducted a change analysis on 5 experiments, and the results showed that compared with taking a placebo, taking Ginkgo biloba can make patients walk much further in the treadmill test than before taking it. ?
In a 6-month experiment in Germany, ginkgo doubled the distance that one-third of patients could walk without pain, and in other patients, the walking distance was increased by 30%. Ginkgo's Anti-Aging Promise Here are the benefits of Ginkgo based on the latest research:?
·Improve blood flow in arteries, veins and capillaries.
·Improve the memory decline and information processing speed of the elderly.
·Delay the onset of Alzheimer's disease.
·Reduce the occurrence of foot pain caused by insufficient blood flow to the limbs.
·Prevent bacterial overactivity, including gum disease.
·Relieve gyration syndrome.
·Reduce tinnitus.
·Prevent vision loss caused by retinal hypoxia.
·Improve hearing loss caused by blood loss.
·Lower blood pressure.
·Increase benign HDL cholesterol.
·Prevent the occurrence of abnormal blood clots.
·Relieve the symptoms of male impotence by increasing blood flow to the penis.
·Relief from Raynald's disease, a circulatory disease that causes cold hands and feet.
How many types and how many are appropriate? Nearly all scientific research on ginkgo uses a standard ginkgo extract product called EGB, 761, which is manufactured by the German pharmaceutical company Wilhelm Schwab and is generally sold in the United States as a tablet product under the trademark Ginkgoid . The tablets contain 24 compounds called flavonoid glucosides, which are sold in regular health food stores.
The general dosage for solving aging problems is: take one standard 40 mg Ginkgo tablet 3 times a day. Note: The effects of taking a specialized preparation are not the same as picking a few leaves from the ginkgo tree near your home and making tea.
How long will it take to see the effect? If you use the usual dosage of 120 mg per day, it may take at least 4 to 6 weeks or even longer for you to feel the effects of Ginkgo. A recent German study showed that it takes 6 weeks to improve short-term memory and 6 months to improve learning ability. Taking Ginkgo is not a one-time thing. You must insist on taking it to get good results. Once you stop taking it, the blood flow and other improvements brought by Ginkgo will be gone forever. How much is too much? Among natural medicines, Ginkgo is considered to be particularly safe. It causes only mild adverse effects, such as stomach upset and headaches, but no serious side effects have ever been reported. One study showed that among 8,500 people who took ginkgo for more than 6 months, only 0.5% experienced mild adverse reactions such as stomach upset. In addition, according to some reports, doses of 120 mg per day can cause temporary dizziness in some older adults. If this happens, reducing the dosage can make the symptoms go away. Some experts believe that if larger doses are needed for therapeutic purposes, older patients with mild headaches and dizziness can start with a low dose and increase the dose after six weeks. Of course, all this must be under the guidance of a doctor. Note: Those who are taking other medications as directed by their doctor or who have blood clot problems must consult their doctor before taking Ginkgo biloba. Those who experience side effects after taking ginkgo must also consult a doctor.
Experts’ anti-aging secrets Dr. Kratz, 40 years old, president of the American Society of Anti-Aging Drugs. Dr. Kratz is the founder and director of the society, which is dedicated to training physicians in the clinical application of anti-aging drugs. The society is the first organization to study aging as a treatable disease. Dr. Kratz supplements the following nutritional supplements every day:
·Vitamin E - 800 international units
·Vitamin C - 2,000 to 12,000 mg
·Carotene ——15 mg
Selenium——200 mg
Coenzyme Q-10——100 mg
Ginkgo leaf extract——80 mg
·Garlic capsules - 12 capsules
·Large-dose multivitamin and mineral tablets (without iron and copper)
What are the effective substances for preventing aging? Do you have to wait until you have lost a lot of physical ability before you start taking Ginkgo? Why not take Ginkgo biloba early to prevent radical damage like you do with vitamins E and C and other antioxidants? In fact, new research results challenge old beliefs. In the past, the application of Ginkgo mainly focused on its therapeutic functions. Now, new research shows that ginkgo is a powerful antioxidant with anti-aging properties that can prevent some age-related diseases.
Belgian researchers have discovered that the function of ginkgo is similar to superoxide dismutase, the most powerful antioxidant secreted in the human body. It is the substance that rejuvenates fruit flies mentioned above. Japanese researchers have discovered that the two antioxidants contained in Ginkgo, myricetin and cerexanthin, can resist the damage of free radicals to brain cells, which brings about its protective function against hypoxic brain cells. The researchers speculate that the antioxidant activity of these two flavonoids can prevent free radicals from oxidizing brain cells. Therefore, taking 40 to 80 mg of Ginkgo biloba daily from middle age as a preventive measure against aging can help keep brain function intact in old age. That's the view of Dr. Kratz, 40, president of the American Antioxidant Society in Chicago. He takes 80 milligrams of Ginkgo biloba daily as a neurological protective measure against age-related brain degeneration. "If I start acting early enough, I can hopefully reduce the amount of degeneration that occurs in old age," he says. Ginkgo is especially suitable for people who are just starting to notice a decline in brain function.
Experts say it can slow this decline and delay or eliminate formal treatment later in life.