We co-evolved a symbiosis with our good gut bacteria, but we aren’t holding up our end of the bargain. If you look at the classics—the most frequently cited articles in the scientific nutrition literature—the original glycemic index paper ranks tenth, cited more than...

The so-called optimism bias may get in the way of a healthy lifestyle. Yes, media messages about nutrition are often confusing and inconsistent, but many Americans know what is considered a healthy diet. I mean, does anyone really think drinking brown carbonated sugar...

Exposure to the bovine leukemia virus from meat and dairy (or a blood transfusion from those who eat meat or dairy) is a risk factor for cancer. In 2015, researchers in California found bovine leukemia virus (BLV) stitched into the DNA of human breast cancer tumors...

As many as 37% of breast cancer cases may be attributable to exposure to the bovine leukemia virus. The incidence of breast cancer continues to increase worldwide. In the United States, this amounted to a 40% increase in the incidence by the turn of the century....

Billion-dollar drugs have been pulled from the market for less carcinogenic contamination than is found in a single serving of grilled chicken. In 2018, one of the bestselling blood pressure drugs, valsartan—sold as Diovan—was found to be contaminated by the “probably...

What did randomized, controlled human trials find about the ways we may—or may not—benefit from eating onions? Onions are potentially a good source of antioxidants, which, interestingly, are concentrated in the outer layers just beneath the papery peel. White onions,...

What can physicians do to promote healthy, life-extending lifestyle changes? A pivotal paper published in Europe more than a decade ago entitled “Healthy Living Is the Best Revenge” found that practicing just four simple, healthy lifestyle factors compared to none...

What are the risks and benefits of using vitamin C for depression and anxiety? “In adults, emerging evidence suggests that higher daily intake of fiber-rich fruit and vegetable servings is associated with lower incidences of anxiety, greater happiness, higher life...

Are yellow-fleshed potatoes healthier than white? And what about the glycoalkaloid toxins? The high glycemic impact of potatoes may increase the risk of type 2 diabetes, perhaps by chronically overstimulating the insulin-producing cells in the pancreas. In my last two...