An ethanol extract of dry ginger showed high antioxidant activity, raised survival of rat hippocampal cells exposed to amyloid beta and blocked formation of amyloid beta oligomers, which the authors say suggests it may help prevent Alzheimer's disease.
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Herbs
Herbal remedies and botanicals, from turmeric to green tea.
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Herbs
Cinnamon improves menstrual cyclicity in women with PCOS
In a six-month randomized, placebo-controlled trial of 45 women with polycystic ovary syndrome, 1.5 grams of cinnamon a day produced more frequent menstrual cycles than placebo but did not change insulin resistance or androgen levels. The authors call the data preliminary.
Herbs
Herbal remedies that fight depression
A Polish review names seven of more than 20 herbal remedies as effective antidepressants: hypericum, lavender, borage, roseroot, chamomile, saffron and ginseng. Only hypericum and saffron have randomized trial evidence in mild to moderate depression.
Herbs
Herbal Therapies for Type 2 Diabetes Mellitus
A review of herbal therapy for type 2 diabetes argues that one herb's many phytochemicals act like combination therapy across several metabolic pathways. It notes more than 1,200 plants have been claimed as diabetes remedies and that metformin came from a compound in French lilac.
Herbs
Ayurvedic medicinal plants for Alzheimer's disease
A review in BioMed Central counts over a hundred potential Alzheimer's treatments derived from Ayurvedic medicine, among them ashwagandha, turmeric, brahmi, gotu kola and jatamansi, whose alkaloids, flavonoids and polyphenols act on inflammation, amyloid and cholinesterase. Many are still in trials.
Herbs
Green tea lowers blood pressure, cholesterol
Pooling 20 randomized trials of 1,536 participants, researchers found green tea lowered systolic blood pressure by 1.94 mmHg, total cholesterol by 0.13 mmol/L and LDL by 0.19 mmol/L, with no adverse events reported. They call the blood pressure effect small.
Herbs
Taiwanese herb helps arthritis
A Journal of Medicinal Food study reports that a stem and root extract of Vitis thunbergii var. taiwaniana curbed inflammation in human chondrocytes and eased induced arthritis in rabbits and rats, improving weight bearing and range of motion in the animals.
Herbs
Curry leaf may protect against breast cancer
Malaysian curry leaf extracts from Kelantan carried the highest phenolic, flavonoid and antioxidant levels of three locations sampled, and preliminary screening showed extracts from all three inhibited growth of the MDA-MB-231 breast cancer cell line, Kelantan most strongly.
Herbs
Yerba mate tea helps lower LDL cholesterol
A Fitoterapia study found yerba mate lowered triglycerides, total and LDL cholesterol in rats fed a high-cholesterol diet, without changing HDL. In rats with normal cholesterol it changed nothing but raised some oxidation markers. The authors suggest it may help people with high cholesterol.
Herbs
Hypericum, saffron effective in treating depression
Reviewing more than 20 herbal remedies, the authors name seven as promising for depression, anxiety and insomnia, but say only hypericum (St John's wort) and saffron have clinical confirmation. Hypericum has been tested in more than 5,000 patients across trials.
Herbs
Chinese medicine Tianqi prevents diabetes mellitus type 2
In a 12-month trial, 420 people with prediabetes took either the Chinese herbal capsule Tianqi or a placebo. Type 2 diabetes developed in 18.2% of the Tianqi group against 29.3% on placebo, a 32% lower risk, with no severe adverse effects and no change in weight or body mass index.
Herbs
Halofuginone next generation chemotherapy for breast cancer?
Laboratory work in the International Journal of Oncology found halofuginone, from the Chinese herb Dichroa febrifuga, triggered apoptosis in breast cancer cells and curbed their migration and invasion by lowering MMP-9 expression. The authors call it a promising chemotherapy candidate.
Herbs
Dietary supplement Adhatoda, benefits, uses, indications, dosages, side effects, and cautions
A monograph on the Ayurvedic herb adhatoda: its alkaloids vasicine and vasicinone, reported cough-suppressing, anti-obstruction and anti-inflammatory effects, animal data on liver protection, uses from asthma to jaundice, and doses of 1-3 ml of liquid or 0.5-1.5 g of dried herb daily.
Herbs
Chinese herbal medicine may help type 2 diabetes mellitus
In rats made diabetic with a high-fat diet and streptozotocin, four weeks of ethanol or water extracts of Cyclocarya paliurus leaves improved glucose tolerance, insulin sensitivity and HDL while lowering cholesterol, triglycerides, LDL and free fatty acids.
Herbs
Ayurvedic herbal supplements help erectile dysfunction, reproductive function
Four Ayurvedic herb extracts, including Asparagus racemosus and Chlorophytum borivilianum, raised sperm count, seminal fructose and penile erection index in male rats dosed at 100 mg per kg. The authors tie the erectile effect to nitric oxide release.
Herbs
Drinking tea lowers stroke risk
Analysing data from earlier studies, researchers tied high tea consumption to 21% lower risk of suffering or dying from a stroke, with three or more cups a day showing a similar reduction. The highest flavonoid intakes corresponded to a 20% reduction.
Herbs
Tea promotes weight loss, improve heart health, slow prostate cancer progression
The December 2013 American Journal of Clinical Nutrition carries 12 papers from a 2012 tea and health symposium. One meta-analysis put tea's extra energy expenditure near 100 calories a day; a review found green tea with caffeine averaged 2.9 pounds lost over 12 weeks.
Herbs
Cinnamon, vitamin D, Korean red ginseng help type 1 diabetes mellitus *****
In a case-control study of military service members, those in the lowest quintile of pre-diagnosis serum 25(OH)D were 3.5 times as likely as those in the highest quintile to be diagnosed with insulin-requiring diabetes.
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