All Videos for Longevity

The Difficulty of Arriving at a Vitamin D Recommendation

People respond differently to the same level of vitamin D supplementation, making it difficult to formulate one-size-fits-all guidelines.



Vitamin D Supplements May Be Necessary

To reach the circulating (25-hydroxy) vitamin D levels associated with the lowest overall mortality, one may need to take supplements, given data suggesting suboptimal production from sun—even under optimal circumstances.



Vitamin D and Mortality May Be a U-Shaped Curve

Vitamin D deficiency may shorten one’s lifespan, but getting too much vitamin D may also adversely affect longevity.



Is Vitamin D the New Vitamin E?

The Institute of Medicine’s conservative position on vitamin D is understandable, given the history of hyped vitamin supplements (vitamin A, beta carotene, folic acid, vitamin C, vitamin E) that turned out worthless—or worse.



Dietary Guidelines: From Dairies to Berries

The success story in Finland shows that science-based dietary guidelines can save millions of lives.



The Tomato Effect

Why does the medical establishment sometimes ignore highly efficacious therapies, such as plant-based diets, for heart disease prevention and treatment?



China Study on Sudden Cardiac Death

The China-Oxford-Cornell Diet and Health Project directed by T. Colin Campbell and colleagues showed that chronic diseases, such as heart disease, are not inevitable consequences of aging.



Our #1 Killer Can Be Stopped

Dr. Dean Ornish proved decades ago that heart disease could be reversed solely with diet and lifestyle changes.



Resuscitating Medicare

Medicare is now accepting for reimbursement the Dean Ornish Program for Reversing Heart Disease and the Pritikin Program, which, on a personal note, is what inspired me to go into medicine.



Saffron for the Treatment of Alzheimer’s

In a double-blind study, the spice saffron beat out placebo in the treatment of Alzheimer’s disease dementia symptoms.



Whose Health Unaffected by Eggs?

A leading stroke expert ruffles a few feathers.



Is One Egg a Day Too Much?

The Harvard Physicians’ Health Study suggests that those eating an egg a day live shorter lives.



Slowing the Growth of Cancer

Researchers discovered a dietary intervention that may slow the progression of cancer.