When the sluggishness from being pregnant hits you, it's tempting to brew a cup of coffee. And then another. And another. But does too much caffeine during pregnancy may affect your baby?

Studies in the past have shown links between heavy drinking and cancer. Previous research has found drinking red wine fights cancer. But what about just drinking in general?

While physical activity can help you have a healthy heart, not all activities are the same. While walking and stair climbing may fight heart disease, more intensive activity may not.

Water and sports drinks may have their differences, but the carb-filled drinks may not have as much of an effect on mood as previously thought.

Bariatric surgery is an increasingly common treatment for obesity. After the surgery, however, healthy habits contribute to weight loss. They also contribute to positive mental health.

Rates of obesity, as well as risky health factors associated with obesity, increase with age. But is weight loss safe for people over 65? Under medical supervision, the answer is yes.

For years, vitamin C has been said to help people stay healthy and recover faster from a cold. Science says this may be true in some ways.

Heart disease is one of the leading killers in the United States. Too much salt in your diet is a risk factor for heart disease and other heart problems. So could reducing salt save lives?

Red, irritated and inflamed gums not only hurt, but can spread infections that eventually lead to tooth loss. Dentists may have found a link between obesity and serious gum infections.

When it comes to eggs and heart health, the message has been scrambled. While some researchers believe eggs can be bad for the heart, others find no link between heart disease and eating eggs.