Christopher Wanjek

We still aren't winning the fight against obesity. In a new series of articles, experts explain what society has done wrong in the battle of the bulge, and what needs to happen now.

The traits that you thought you inherited from your mom may have been actually passed from her to you in bacteria that she spread to you soon after birth, a new study finds.

Smoking a pack of cigarettes a day will cost a person upwards of $2 million over his or her lifetime, a new study claims. But is that claim true?

The brains of violent criminals who are psychopathic are different from even those of violent criminals who are not psychopathic, new research finds.

People whose cholesterol levels are even slightly high while they are in their 30s are at an increased risk of heart disease later on, researchers say.

Environmental factors such as diet may alter the expression of genes to cause, and reverse diabetes, new research finds.

Scientists will closely study runners' health and well-being as they run more than 3,000 miles across America in four months, about a marathon a day.

A protein known to have antidepressant effects in the brain may also improve heart health, a new study finds.

Here is our annual listing of some of the more egregious retractions and questionable scientific papers of 2014.

In the brain, the information from real events that we see flows "up" from one brain lobe to another, but the images that we imagine flow "down," new research finds.

A woman's garbled text message to her son turned out to be a sign that she was having a stroke. This is the fourth incident now reported of someone with a stroke having "dystextia," researchers say.

Scientists reveal the mechanism by which the brain creates long-lasting memories of painful or scary events.

In what seems contrary to most diet advice, a small new study shows that doubling the saturated fat in a person's diet does not drive up the levels of saturated fat in the blood.

The majority of people with dementia have never seen a doctor about their memory and thinking problems, according to a new study published in Neurology.

Poor diets may adversely affect mental health in all stages of life, from fetal development through old age, a slew of new research shows.

A statin drug which is taken by millions of Americans to lower their cholesterol level may also reverse certain types of learning deficits, according to a new study in mice.

Some "healthy" alternatives to Halloween candy are likely to meet disapproval from kids. Here are some suggestions for kid-friendly ways to avoid contributing to childhood obesity.

Getting a vaccination does not increase people's risk of developing multiple sclerosis, as some anti-vaccination groups have suggested, a new study finds.

Men with low testosterone could one day be treated with a drug called enclomiphene citrate, which is similar to the drug clomid that is used in women undergoing IVF .

A high percentage of women in prison have a history of a traumatic brain injury, a new study finds.

Our mobile devices may make getting good sleep particularly challenging. Here are some sleep tips from experts.

Here are six science-supported tips for eating healthy to reduce your risk of cancer.

A broccoli concoction showed promise in a recent study in fighting one harmful effect of air pollution, but that doesn't mean that broccoli can "detox" the body.