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  1. What About the Caffeine? What About the Caffeine? April 4, 2012

    Caffeine has positive cognitive and physiological effects at moderate doses.

  2. Coffee and Cancer Coffee and Cancer April 3, 2012

    Coffee consumption is associated with a modest reduction of total cancer incidence.

  3. So Should We Drink Beet Juice or Not? So Should We Drink Beet Juice or Not? March 5, 2012

    In the context of a healthy plant-based diet, the nitrates in vegetables can safely be converted into nitric oxide, which can boost athletic performance and may help prevent heart disease.

  4. Hearts shouldn’t skip a beet Hearts shouldn’t skip a beet February 21, 2012

    The nitrate in vegetables, which the body can turn into the vasodilator nitric oxide, may help explain the role dark green leafy vegetables play in the prevention and treatment of hypertension (high blood pressure) and heart disease.

  5. Out of the lab onto the track Out of the lab onto the track February 16, 2012

    Randomized, double-blind, placebo-controlled crossover studies convinced the scientific establishment that nitrate-rich vegetables such as beets could noticeably improve athletic performance.

  1. Don’t use antiseptic mouthwash Don’t use antiseptic mouthwash February 15, 2012

    The natural flora on our tongue (lingual bacteria) is essential for the athletic performance-enhancing effect of the nitrates in vegetables such as beetroot.

  2. Priming the proton pump Priming the proton pump February 14, 2012

    To understand how beets could reduce the oxygen cost of exercise while improving athletic performance, one must review the biochemistry of energy production (ATP synthase) and the body’s conversion of nitrates to nitrites into nitric oxide.

  3. Doping with beet juice Doping with beet juice February 13, 2012

    Beets found to significantly improve athletic performance while reducing oxygen needs, upsetting a fundamental tenet of sports physiology.

  4. Better than green tea? Better than green tea? January 6, 2012

    The antioxidant content of a number of popular beverages is compared: black tea, coffee, Coke, espresso, grape juice, green tea, hibiscus tea, milk, Pepsi, Red Bull, red tea, red wine, and white wine. Which beats out even powdered (matcha) green tea?

  5. Dietary guidelines: Just say no Dietary guidelines: Just say no October 26, 2011

    What happens when the twin mandates of the USDA to both promote agribusiness and protect our nation’s health come into conflict?

  1. Food industry “funding effect” Food industry “funding effect” October 24, 2011

    He who pays the piper calls the tune: studies funded by the dairy and soda industries appear to be more biased than even studies funded by drug companies.

  2. The effect of soy on precocious puberty The effect of soy on precocious puberty August 29, 2011

    Meat, animal protein, and soymilk (soya milk) can affect premature breast development in girls.

  3. Calculate your healthy eating score Calculate your healthy eating score August 24, 2011

    Rate your diet on a scale of 0 to 100 using the phytochemical index and compare your score to the standard American diet.

  4. Antioxidant power of plant foods versus animal foods Antioxidant power of plant foods versus animal foods August 23, 2011

    On average, plant foods have 64 times more antioxidant power than red meat, poultry, fish, dairy, and eggs, but is it a fair comparison?

  5. Antioxidant content of 3,139 foods Antioxidant content of 3,139 foods August 22, 2011

    In the most extensive study of its kind ever published, the amount of anti-aging anticancer antioxidants is measured across thousands of different foods.