Wild Yam Benefits for Diverticulosis, Cancer & More

AHA Publisher — Mon, 06 Dec 2021 08:00:20 +0000

Kyra Oliver via Dr. Axe – During the fall and winter months, the desire for yams increases steadily. They are deliciously rich in vitamins and flavor, so what’s not to love? However, when we are talking about the wild yam, it isn’t what you think. For centuries, Native Americans and early Americans have used wild yam, or Dioscorea villosa, for possible benefits ranging from estrogen therapy and natural progesterone to treating diverticulosis, gallbladder pain, rheumatoid arthritis, as well as offering increased energy. It has even been used by women to reduce hot flashes and treating colic in infants. A perennial vine, wild yam is typically the long, slender and knotted tuberous rootstock of the plant. The leaves are heart-shaped, growing anywhere from two to six inches long and nearly as wide. The lower leaves often grow in twos and fours, and the plant contains small greenish-yellow flowers that smell a lot like cinnamon. Many of the varieties develop edible tubers much like potatoes. The parts used are the dried roots or rhizome. The roots of the wild yam contain diosgenin, a plant-based estrogen the can convert into the hormone known as progesterone. What’s important to note is that our bodies do not convert the chemical into the estrogen hormone — that must be done in a laboratory. Regardless, this makes it a phytoestrgoen food, meaning it comes from plants that could produce estrogen therapy and menopausal relief. If you are looking for wild yam, you probably won’t find it in the produce section, but rather in the supplement section as a dried root, dried root powder, capsule or liquid. Some other names for wild yam include: aluka China root colic root devil’s bones shan-yao yuma rheumatism root red velvet yam Wild Yam Benefits 1. Potentially Regulates Blood Sugar The U.S. National Library of Medicine suggests that wild yam may help regulate blood sugar. This is believed to be due to a substance called dioscoretine and has shown positive results in studies. Research from the Phytotherapy Research Laboratory at the University of Nigeria found that blood sugar was lowered in diabetic rabbits when administered dioscoretine that was extracted from tubers. 2. May Fight Cancer A study was conducted in Japan to help determine if wild yam could help reduce the risks of cancer. The study was launched due to the extensive use for wellness benefits in Japan. While there’s insufficient evidence and further research is needed, the researchers did find that the rhizome within in the wild yam plant — which produces the major compound dioscin — possessed antiproliferative effects on leukemia cells. Although it’s often used as a supplement, in the northern part of Japan wild yam is consumed as a health food, and this research shows it may be a cancer-fighting food. Furthermore, research published in the American Journal of Chinese Medicine found “that wild yam extract acts as a weak phytoestrogen and protects against proliferation in human breast carcinoma MCF-7 cells.” 3. Improves Cholesterol Levels A study published in the Journal of Lipid Research indicates that the diosgenin found in wild yam may help raise good HDL cholesterol and lower LDL (the “bad” cholesterol). In the study, rats were given wild yam for a period of one week to determine if diosgenin suppresses cholesterol absorption, and it was found the rats had better HDL-to-LDL ratio. Another study conducted on mice and rats suggests that supplementation using wild yam may be beneficial in controlling hypercholesterolemia. 4. Offers Diverticulosis Relief Wild yam may help treat a disorder of the intestines called diverticulosis. This happens when small pouches form on the colon wall. If they get inflamed, they are are referred to as diverticulosis and can be very painful, resulting in constipation, diarrhea and even fever at times. Records indicate that diverticulosis is found in 30 percent to 40 percent of people over the age of 50, and it is caused by a highly refined low-fiber diet. How does wild yam help with diverticulosis? Wild yam has anti-spasmodic and anti-inflammatory effects. As an anti-spasmodic, it may help reduce any pain caused by abdominal cramping around the inflamed area. A tincture of wild yam, valerian, cramps bark and peppermint may offer relief. 5. May Help Reduce Photoaging Studies indicate that the disogenin found in wild yam extract may have a “depigmenting effect.” This means it could help with issues such as melasma, melanodermatitis and sun lentigo — issues that ultimately result in hyperpigmentation. Hyperpigmentation is harmless and rather common, but it can be frustrating since it is a skin condition that develops, rather noticeably, as darker patches of skin. What about menopause relief? It has been claimed by many as a great way to reduce menstrual symptoms and assist with hormone replacement during menopause, but does it really work? According to a recent study, maybe not so much. A study was conducted using a wild yam cream, similar to what you may think of as progesterone cream, in 23 healthy women who were experiencing menopause. Three months into the study, results showed that there were no significant changes, and although there were no side effects, the cream had little to no effects on menopausal symptoms overall. How to Use It is important to consider a few factors regarding the correct dosage of wild yam. Age and health condition of the individual are important, especially if pregnant. It is always best to consult a physician, especially since there really isn’t enough evidence about wild yams at this time. Follow the directions on labels, and check with your health care provider first. Wild yam is usually found as a liquid extract, dried herb, powder, capsule or tablet. The liquid version can be made into tea. You can also purchase creams containing wild yam, but unless it has been to a laboratory, it likely does not contain the chemical needed to affect hormones. Our bodies do not convert it naturally. You can also add it to a tincture — ask your doctor about the best application. Using wild yam therapeutically is not recommended for children. There simply isn’t enough data to support its safety. Wild yam is often combined with other herbs known to have estrogen-like effects, namely black cohosh. Wild yam creams, tablets and powders may contain synthetic hormones since they are produced in labs. Check the ingredients carefully, and consult a doctor. As an anti-spasmodic, it can help with coughs, spasms and nausea. Use the recipe below: Wild Yam Recipe for Coughs, Spasms and Nausea INGREDIENTS: 8 ounces chopped fresh wild yam root (or 4 ounces of dried) 4–5 cups of water 1–2 drops peppermint essential oil 1 sprinkle of pure stevia to taste (optional) DIRECTIONS: In a saucepan, cover the chopped fresh wild yam root with water and bring to boil. Reduce heat and allow it simmer for 20 to 30 minutes. Strain, add the peppermint and stevia. Have ½ cup, twice a day. Store in refrigerator. Wild Yam vs. Other Yams Wild Yam Wild yam is mainly used as a supplement due to the diosgenin it contains, which can be used to produce hormones when it goes through a chemical reaction. Wild yams grow best in flooded freshwater marshes and swamps, non-tidal shrub swamps, roadside ditches, and forested wetlands throughout the eastern United States. Inland, wild yam is found growing as a vine on shrubs. Mexican Yam (Jicama) You may have heard of and even eaten jicama — the Mexican yam that is a member of the Fabaceae (pea) family. It is a perennial that grows in areas that do not get frost. Jicama, often served in salads, is found in U.S. supermarkets, but it’s imported from Mexico and the Caribbean. Only the root of Mexican yam can be consumed. All other parts, including stems, leaves, flowers, pods and seeds, contain rotenone, a natural pesticide not safe for eating. Yam Yams are native to Africa and Asia and closely related to lilies and grasses. Yams come in different sizes but are usually similar to the size of a small potato. They contain more starch and are drier than sweet potatoes. Sweet Potato Sweet potato is the one you probably know most since it is the the yam you see at Thanksgiving and Christmas dinner. Technically known as ipomoea batatas, the sweet potato yam is not related to to the Mexican yam or wild yam, but you have seen it in the produce department. Sweet potatoes range in skin color from white to yellow, red, purple or brown, and the flesh ranges in color from white to yellow, orange or orangish-red. These varieties are usually classified as either firm or soft and maintaining a soft or firm consistency, respectively, when cooked. The soft varieties are typically labeled as yams here in the U.S. Risks and Side Effects Let’s stress again that there’s insufficient studies on wild yam. Therefore, you need to consult with a doctor or herbalist first, especially if you are pregnant, nursing, suffer from any disease or are taking medication. The University of Maryland Medical Center warns that wild yam extract could cause problems if you are currently taking estradiol, which is an active ingredient that may be in your birth control pill or hormone replacement therapy. Allergic reactions are possible, so it is best to stop taking wild yam extract if you experience rashes, swelling of the tongue or lips, difficulty breathing, or throat swelling. Final Thoughts Wild yam, or Dioscorea villosa, has many purported uses and benefits, but insufficient scientific data exists for some of them, such as menopause relief and hormonal balance. However, the the top five proven benefits of wild yam include its ability to regulate blood sugar levels, improve cholesterol and reduce photoaging. Wild yam is usually found as a liquid extract, dried herb, powder, capsule and tablet. You can also use the liquid to make tea and creams are available. But remember that unless it has been to a laboratory, it likely does not contain the chemical needed to affect hormones because our bodies do not convert it naturally. To read the original article click here.

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Estrogen Replacement May Protect Against Alzheimer’s Disease in Women

AHA Publisher — Thu, 03 Sep 2020 07:00:47 +0000

IOS Press via EurekAlert – Biological sex influences the effect of amyloid beta on alterations to tau protein characteristic to Alzheimer’s disease, suggesting a role for estradiol in preventing the disease in women, report scientists in the Journal of Alzheimer’s Disease. Amsterdam, September 1, 2020-Alzheimer’s disease (AD) is the most common neurodegenerative disease and the leading cause of dementia. It affects more women than men. A new study published in the Journal of Alzheimer’s Disease indicates that factors such as age, reproductive stage, hormone levels, and the interplay with other risk factors should be considered in women and proposes a role for early menopausal estrogen replacement to protect against the development of AD. “The risk of developing AD as well as its progression and severity are known to be very different in men and women,” explained co-lead investigator Elena Tamagno, PhD, Department of Neuroscience and Neuroscience Institute of Cavalieri Ottolenghi Foundation (NICO), University of Torino, Torino, Italy. “Recent epidemiological studies showed that two thirds of AD patients are women, and this fact cannot be attributed only to their higher life expectancy. The loss of estradiol might be one of the factors leading to declining cognitive function in women.” Hallmarks of AD are the accumulation of amyloid beta peptides in amyloid plaques, and the aggregation of modified tau protein to form neurofibrillary tangles. Tau proteins are abundant in nerve cells and perform the function of stabilizing microtubules, and are pathologically altered in AD. To examine the hypothesis that biological sex influences the effect of amyloid beta 42 (AB42) peptides on these changes to tau protein, investigators gave intraventricular injections of nanomolecular concentrations of AB42 to transgenic mice expressing the wild-type human tau (hTau). In a previous study the investigators had noted that female mice did not show the alterations of tau protein characteristic of AD. In the current study they demonstrated that AB42 caused the pathological form of tau in ovariectomized female mice, but not in control females, and that estrogen replacement reversed this effect through an antioxidant activity and a decrease of tau phosphorylation. “Our study indicates that factors such as age, reproductive stage, hormone levels, and the interplay with other risk factors should be considered in women, in order to identify the best appropriate treatment in prevention of cognitive impairment,” commented co-lead investigator Massimo Tabaton, MD, Unit of Geriatric Medicine, Department of Internal Medicine and Medical Specialties (DIMI), University of Genova, Genova, Italy. “Our results suggest that an early postmenopausal estrogen replacement may be protective against AD.” “Linking estrogen deficiency to the tau changes of AD provides the missing mechanistic link to the greater risk of AD in women and significantly suggests therapeutic avenues to reduce AD,” added George Perry, PhD, Editor-in-Chief of the Journal of Alzheimer’s Disease and Semmes Foundation Distinguished University Chair in Neurobiology at The University of Texas at San Antonio. AD is a major social and health problem. In the United States, approximately 5.5 million people are affected, and the number is growing as a result of the increase in life expectancy. The prevalence of dementia worldwide is estimated at 24 million people, which is expected to double by 2050. AD is characterized by progressive cognitive decline usually beginning with impairment in the ability to form recent memories, but inevitably affecting all intellectual functions and leading to complete dependence for basic functions of daily life and premature death. Women are more likely to develop the disease, independent of their longer life expectancy: one in six women over 65 develops AD, compared with one in 11 men. To read the original article click here.

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Wild Yam Benefits for Diverticulosis, Cancer & More

Estrogen Replacement May Protect Against Alzheimer’s Disease in Women