Experts discuss where handedness comes from, and what differences truly result.

A new blood test for Alzheimer's disease, a malaria drug to combat Zika, and evolutions role in restless nights.

An expert explains that human error is impossible to completely eliminate, so labs are increasingly turning to DNA tracking to catch mistakes when they occur.

Medical errors are the third largest cause of death in the US, and mistakes in making diagnoses are the most frequent form of error. A noted expert discusses why mistakes happen, and what doctors and patients can do to make them less frequent.

Researchers discuss why our brains can't do two things at once, and why supertaskers may be different.

Fertility in men in the western world is falling, how the poor function of taste buds could lead to obesity, and a link between alcohol and recall.

Experts discuss the need for rural healthcare and the close link between hospitals and community economics.

The number of college students binge drinking is dropping, the physical and mental demands of staying healthy, and sweating less if you have a tattoo

Laws criminalizing homeless activities may make cities feel like they’re easing public discomfort, but jail does little to address the root causes of homelessness.

Even though death is part of life, few people prepare for it by collecting important documents and contact points that survivors will need to know.