If overindulgence is in your Thanksgiving plans, exercise should be too. Here's a roundup of ideas to get moving on Turkey Day.

A new study suggests that the widely prescribed drugs Vyortin and Zetia are less effective than the inexpensive vitamin niacin in helping to unclog coronary arteries in people already taking statins.

In light of a public and political outcry, the U.S. Food and Drug Administration reversed its recent plan to ban the sale of raw, untreated oysters. About 15 people a year die after eating raw oysters contaminated with the Vibrio bacteria; destroying that bacteria alters the oysters' taste, some say.

I'm constantly reading food labels and often see cottonseed oil and soybean oil mentioned in the ingredient list. Cottonseed oil doesn't strike me as healthy; you don't see bottles of it on the grocery store shelves next to the olive oil and canola oil. Can you tell me and the readers if soybean and cottonseed oil are good are bad? - Jana

You're right: cottonseed oil isn't as good for you as olive and canola oils; the difference lies in their balance of omega-3 fatty acids and omega-6 fatty acids. One of my favorite sources of nutrition information, The World's Healthiest Foods, offers this explanation of the roles those fats play in our diet. As for soybean oil, it can be a healthful choice; again, it comes down to the balance of those various omega fats in your diet. Read more here.

This 77-year-old veteran desperately needs to lose weight. I've been reading and hearing a lot about the acai berry and its tremendous weight loss potential. Is this for real or is it another weight loss fad? - Garry, Sr.

As I wrote earlier this year, acai berries are high in antioxidants, so they may play a role in promoting good health. But their specific benefits -- including their role in promoting weight loss -- haven't been pinned down, and they're featured in a lot of weight-loss sales scams. The bottom line: Your healthful weight-loss diet should include plenty of fruits and vegetables, which you can find right in the grocery store.