Joe Brownstein

School-based programs are key in getting kids to healthy weights, a new review of studies finds.

Men with gum disease are more likely to have erectile dysfunction (ED), according to a new study, but the reason for the link remains unclear.

A dad's online chronicle of his son's crying has struck a chord. Experts explain why toddlers cry so frequently and easily, and what can parents do.

Could kicking and punching people in your sleep be an early sign of a brain disorder?

Researchers know that five mutations are necessary -- but are they likely to actually happen?

Man's best friend may help reduce the severity of allergies.

It's effective, but is it really safe?

Focusing on healthy food groups, rather than individual vitamins, is what helps lower cancer risk.

The population of the world will reach 7 billion on Oct. 31.

Living donors could expect some measure of payback

Two new studies offer hope of a treatment that would allow infertile men to have children, but such a treatment is still a long ways off.

Alternative treatments for colic don't work.

Trying alcohol for the first time a few years earlier may greatly increase the use of alcohol as a coping technique for stress later in life.

Is it possible for a placebo to work the opposite way?

In a new study, researchers looked at the effectiveness of a number of methods used to teach parents to communicate with their children about sex.

Raising children can be an obstacle to good diet and exercise, study says.

Interpreting the information on food labels as a consumer can be tricky.

Despite their variety, all diets come back to one core principle.

People with metabolic syndrome were 20 percent more likely to experience a decline in their short-term memory over the study period.

New eye therapies increased to 1.24 million from 430,000 in a 10-year period.