Latest by William Davis, M.D.

Does fish oil cause bleeding?

Omega-3 fatty acids from fish oil have conclusively been shown to reduce risk for heart attack and stroke. They also have the capacity to “thin the blood.” What this means is that omega-3s slightly block the activation of blood platelets and inhibit ...

Cranberries: Flavonoid-rich, Antioxidant-rich Fruit for the Heart

Cranberries will soon be bursting on the scene, fresh from the fall harvest. Cranberries have a rich history of uses for health. Cranberry poultices to heal wounds were used during American colonial days. Sailors carried cranberries on long voyages t...

Weight and Vitamin D

Susie is a petite 5 ft 3 inch woman who weighs 102 lbs. Her starting 25-hydroxy vitamin D level was 42 ng/ml in summer. Claire, on the other hands, struggles with her weight. Also at 5 ft 3 inches but weighing 221 lbs, Claire’s starting vitamin D lev...

Five Things You Probably Don't Know About Cholesterol

In reality, cholesterol is just the starting point: there’s lots more to the factors that can cause heart disease and heart attack. Just reducing cholesterol may simply not be enough. So here are five questions on cholesterol that everyone should be ...

The Five Worst 'Healthy' Foods for Your Heart

Q: When are “heart healthy” foods not heart healthy? A: When “heart healthy” is just a marketing claim with no real basis in reality or science. In an ideal world, a food label proudly bearing the claim “heart healthy” truly would be heart healthy. B...

Is Iodine Deficiency a Risk Factor for Heart Disease?

Buried deep in the medical literature of the early 20th century is a fascinating study-in rabbits-that, nearly 80 years later, provides some insights into the importance of iodine for heart health. Back in 1933, Dr. Kenneth Turner of Harvard Medical ...

Get a Cardiovascular Kick Out of Vitamin K2

Vitamin K2 is emerging as an exciting player in the quest to reduce risk for heart disease. (Also see my previous post, Vitamin K2: Newest heart-healthy supplement?) If you believe the observations coming from the Rotterdam Heart Study and others tha...

Have You Forgotten About Iodine?

Many people older than 50 years still remember the days of goiters, enlarged thyroid glands that developed due to iodine deficiency. Up to a third of the population in many parts of the U.S. were affected with goiters, an unsightly bulge in the neck. ...

No-Flush Niacin

What nutritional supplement increases “good” HDL cholesterol 10-20 mg/dl, reduces triglycerides, reduces small LDL particles (the number one cause for heart disease in the U.S.), even reduces risk for heart attack substantially with no side-effects? ...

Are Sterol Esters the Next "Trans Fat"?

See that container of yogurt? It contains 600 mg of plant sterols that help reduce cholesterol. It even says “heart healthy” . . . but is it? "Trans" fats all over again? Back in the 1970s, we were all warned to reduce the saturated fat in ...