This article is based on probability, rather than certainty. The author is of the opinion that at some point the two terms become interchangeable....

IF YOU HAVE CANCER, there is a reasonable chance that you are taking supplements. The use of dietary supplements in the United States is widespread....

IS YOUR DIET HEALTHY? Are you sure? A new study suggests that Americans struggle to get the right answer.

IRON DEFICIENCY IS COMMON in humans. On the other hand, excessive iron (for example, with hemochromatosis) is associated with an increased risk of developing several cancers, including breast, colorectal, liver, and prostate.