Cell-phone use has been shown to increase brain-glucose metabolism (a marker of brain activity), but long-term risks are less clear.

Neosaxitoxin, a new local anesthetic derived from algae, resulted in less pain following surgery, and patients recovered about two days sooner than those given the common local anesthetic, bupivacaine.

According to Australian researchers, taking bisphosphonates (drugs used to improve bone health) may increase the life span of elderly women.

People who speak two languages may be at less risk of developing Alzheimer's disease, according to a new study.

Fast food -- which is tremendously high in fat and salt content -- remains a favorite food for a number of patients who have had a heart attack.

Radiologists who read more mammograms tend to be better at determining which suspicious breast lesions are cancer, according to a new report from the Institute of Medicine.

Breakfast is an important and oft neglected meal for everyone. A new study reinforces the importance of this morning meal by showing that teen mothers who eat breakfast have healthier weights and snacking habits.

The Rutgers Alcohol Problem Index (RAPI) is used to evaluate adolescent drinking related problems. A new study shows that RAPI is not only an effective screening method but also a predictor of alcoholism.

In the United States, many engineers discourage building bicycle paths separated from roads, saying that they are more dangerous for bikers than riding in the street. However, new research suggests otherwise.

A new study from Montgomery Orthopedics of 2,729 runners who run 10 miles or more per week finds stretching before a run neither prevents nor causes injury.