Every week, Dr. Roizen discusses the latest health headlines YOU need to know.In this episode, Dr. Roizen talks about the latest health headlines that YOU need to know, including the following topics:  Older women are hitting the bottle, and older men are shooting up to deal with depression (particularly Caucasians in the U.S.). Blood test that detects cancer and identifies where it is in the body. A peanut allergy doesn't necessarily mean an allergy to other nuts. The only concern would be cross-contamination. Hepatitis C is killing 20,000 Americans per year, even though medications exist to treat (and eradicate) the disease. FDA approves first drug to treat severe MS, but it is incredibly expensive. PLUS so much more... Bonus! Vitamin D Impacts More Than You Think