Clinical trial finds that vitamin D, calcium have no effect on cancer risk

A double-blind, randomized clinical trial tests the effect of vitamin D and calcium supplementation on cancer risk in postmenopausal women.

No Breast Cancer Protections From Soy Isoflavone Supplements

Soy isoflavone supplements did not decrease breast cancer cell proliferation in a randomized clinical trial, according to a study published in Cancer Prevention Research, a journal of the American Association for Cancer Research. Lead researcher Seema A. Khan, M.D., professor of surgery at the Robert H…

Replacing saturated fat with polyunsaturated fat may cut heart disease risk

A new study provides the first conclusive evidence from randomized clinical trials that people who replace saturated fat in their diet with polyunsaturated fat reduce their risk of coronary heart disease by 19 percent, compared with control groups of people who do not.