A national project tracks what we buy and offers some bad news: the calorie counts on labels may be wrong.

You really are what you eat. The probiotics in yogurt actually influence the chemistry of your brain — for the better.

The average restaurant meal serves up half the calories you need in a day. It's worse for you than fast food.

Ultrasound waves are used on pregnant women to view babies in the womb and for a variety of other imaging tasks. When an ultrasound wand was used to administer sound waves to patient's heads, their moods improved. Even though we can't hear them, ultrasound waves at specific frequencies appear to affect cell structures responsible for nutrition and nerve growth, plasticity and repair. Patients with chronic pain felt better, too.

Men and women value relationships for different reasons. Women value companionship; can you guess what men value?

Has salt gotten a bad rap? Every cell in our body relies on this mineral to function. While eating too much salt can be dangerous, taking in too little is perhaps even riskier. The Institute of Medicine has issued new guidelines that are a bit more generous toward dietary salt consumption. The American Heart Association, concerned about salt's effects on blood pressure, isn't buying it.

Doing something nice for your partner is usually good for the relationship. But not always. When to watch out.

Hormone replacement therapy has risks, but what it does for women's muscles and strength is all good.

The FDA has issued a warning that certain migraine medications, taken in pregnancy, can lower a child?s IQ down the road.

It's not a new band, but it is about the heavy metals found in lipstick and lip gloss. Some women may ingest dangerous amounts.