Participants on a high-fat, low-carbohydrate diet with adequate protein saw insulin fall 48 percent, fasting glucose 40 percent, leptin 8 percent and triglycerides nearly 8 percent. Mercola argues that lowering insulin, rather than cutting calories, is what drives the anti-aging effect.
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Nutrition
Vitamins, minerals, supplements, herbs and diet: the research on how what we eat shapes our health.
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Vitamins
Could This ‘Humble’ Vitamin Hinder Future Cancers?
In the EPIC study of over 24,000 people followed more than a decade, those with the highest vitamin K2 intake were 14% less likely to develop cancer and 28% less likely to die of it. Mayo Clinic work tied high vitamin K intake to 45% less non-Hodgkin lymphoma.
Food
Green Tea Extract May Be More Effective than You Thought
A randomized, placebo-controlled crossover trial found EGCG, a compound in green tea, increased fat oxidation by 33 percent in obese men within two hours of a meal. The authors call it a pilot study and the first evidence that a single green tea catechin can do this.
Food
Could eating chocolate raise depression risk?
A survey of 931 men and women not on antidepressants found those screening as depressed ate 8.4 servings of chocolate a month against 5.4 for the rest, rising to about 12 with major depression. The researchers say the data show no causal direction either way.
Vitamins
Vitamin B dangerous for diabetics with kidney disease
A JAMA study led by David Spence found diabetics with kidney disease taking folic acid, B6 and B12 had a steeper decline in kidney function and twice the rate of heart and stroke events, though homocysteine fell. The researchers say those on the regimen should stop.
Vitamins
Can we enlist vitamin D to fight flu pandemic?
The piece sets out John Cannell's hypothesis that flu is a symptom of vitamin D deficiency. It notes his argument that most of the 36 children the CDC reported dying of H1N1 in 2009 had neurodevelopmental conditions, stayed indoors and took anticonvulsants, all worsening vitamin D status.
Vitamins
Serum vitamin E may protect against Alzheimer's disease
Following 232 dementia-free adults aged 80 and over for six years, Karolinska researchers found those in the top tertile for total vitamin E had about 45 percent lower Alzheimer's risk, and for tocotrienols 54 percent. Among individual forms, only beta-tocopherol stood out.
Food
Study: Energy Drinks May Raise Heart Attack Risk
Fifty healthy volunteers drank one 250 ml sugar-free energy drink. An hour later platelet aggregation had risen while endothelial function fell and arterial pressure rose. The authors report only these acute changes in healthy young adults.
Food
Meat ups bladder cancer risk
University of Texas researchers examined data from 1,700 people and found those who regularly ate well-done meat were more than twice as likely to develop bladder cancer as people who preferred rare meat. Certain genes raised risk almost fivefold, the lead author said.
Food
How does sugar raise heart disease risk?
A JAMA study led by Miriam Vos found high added-sugar intake tracked with worse blood lipids, including an unfavorable triglyceride-to-HDL ratio. It was not a trial, so it cannot show sugar caused the risk. Hu and Malik point to glycemic load and fructose as possible mechanisms.
Vitamins
Vitamin D Newsletter: More letters
A Vitamin D Council newsletter reprinting a reader's letter to Dr. Cannell, from a 46-year-old who took 60,000 to 180,000 IU of vitamin D3 daily for about eight months, reached a blood level of 406 ng/mL with elevated calcium, and asks how to reverse the effects.
Food
Eating too much sugar raises heart disease risk
Miriam Vos and colleagues analysed U.S. nutrition data and blood lipids from more than 6,000 adults and found those eating more added sugar had higher triglycerides and higher triglyceride-to-HDL ratios. Participants averaged 46 teaspoons of added sugar a day.
Vitamins
Tanning beds help vitamin D deficiency
A survey of 421 college students found that those meeting screening criteria for indoor tanning addiction more often reported anxiety symptoms and use of alcohol, marijuana and other substances. The article stresses the study established no cause and effect.
Vitamins
The Vitamin D Solution
A Penguin press release announces Michael Holick's book The Vitamin D Solution, which blames vitamin D deficiency for conditions from obesity to fibromyalgia and sets out a three-step programme. Dr. Mercola calls it one of the most important books available.
Nutrition
This Addictive Commonly Used Food Feeds Cancer Cells, Triggers Weight Gain, and Promotes Premature Aging
Mercola argues that sugar, above all high fructose corn syrup, is the major factor behind obesity and chronic disease, tracing consumption from about 4 pounds a person a year in 1700 to roughly 180 pounds by 2009, alongside a 32 percent adult obesity rate.
Vitamins
Micronutrients and the Immune System: An Exclusive Interview with Dr. Jon Kaiser (Part II)
The second part of an interview with Dr. Jon Kaiser, whose 33-nutrient formula with three amino acids was reported to give AIDS patients longer lives and significantly better quality of life than placebo, and is now sold publicly as K-PAX Immune System Support Formula.
Food
Fiber and nuts cut BBD risk
Among 29,480 Nurses' Health Study II women who recalled their high school diets, those in the top fifth for adolescent fibre intake had 25 percent lower risk of proliferative benign breast disease, and those eating two or more servings of nuts a week were 36 percent less likely to be diagnosed.
Nutrition
Vitamins, calcium supplements may reduce breast cancer risk
In a study of 268 breast cancer cases and 457 controls presented at an AACR meeting, women taking multivitamins were 30 percent less likely and calcium users 40 percent less likely to have breast cancer, though calcium's apparent benefit vanished once DNA repair capacity was counted.
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