Compulsive gamblers seeking treatment were more impulsive and more likely to be superstitious than were non-gamblers. Steve Mirsky reports

A new study says high sodium and low potassium intake are the twin culprits in many cardiovascular syndromes. Katherine Harmon reports

The Nurses' Health Study finds that the risk of death from sudden cardiac arrest in white women can be lowered by 92 percent through lifestyle maintenance alone. Katherine Harmon reports

Recent research finds that taking a hot bath can cure loneliness. Christie Nicholson reports

In the last decade, more than a billion people have seen improved water safety and sanitation. But 800 million are still at risk of water-borne disease. Katherine Harmon reports

Recent research finds that our vices can be held back when we use cash instead of credit cards at the grocery store. Christie Nicholson reports

Many blood pressure assessments rely on too few measurements in an intimidating environment. Katherine Harmon reports

A study of 25 young gang and group members in South Wales found that they wanted dogs less as weapons or protection and mostly for companionship and socialization. Steve Mirsky reports

Having pets in the house during a baby's first year was associated with a lower risk for allergies through the child's teens. Katherine Harmon reports

Research finds that a cop who testified that he ran past a beating without seeing it could be telling the truth. Christie Nicholson reports