Adding extra protein to the diets of older men and women is put to the test.

Dairy products can cause hypersensitivity reactions even in those who test negative for cow’s milk allergy.

One of the most popular herbs in traditional Chinese medicine, astragalus root is marketed as a "life-prolonging" tonic.

Although aluminum isn’t necessarily benign, what convinced me that it does not play a role in Alzheimer's disease?

Millet isn’t the name of a specific grain, but a generic term that applies to a number of totally different plants. Which is the most healthful? What were the remarkable results of a crossover study randomizing hundreds of people with diabetes to one and a third cup of millet every day?

Physician-assisted suicide–perhaps more accurately termed physician-assisted dying or medical aid in dying–allows the terminally ill to end their lives through the voluntary self-administration of a lethal dose of medication expressly prescribed by a physician for that purpose.

If you have diabetes, metformin can make things better, but if you don’t, the drug may make things worse.

For three cents a day, black cumin may improve cholesterol and triglyceride levels, blood pressure, and blood sugar control, as well as accelerate the loss of body fat.

As a mild mitochondrial poison, metformin carries a variety of downsides.

Amazingly, diabetics placed on metformin may live longer lives than those who never got diabetes in the first place.