A routine blood test for testosterone could become a powerful new tool in men’s health—but only if military screening programs...

The molecular machine that decides when a chromosome is ready to move during cell division is coming into sharper focus....

A new study is turning one of nature’s most ancient weapons against bacteria into a problem of molecular engineering. In...

For people receiving a bilateral lung transplant, the operation is only the beginning of a prolonged period of medical vulnerability....

Multiple sclerosis has long been organized into three familiar clinical categories: relapsing–remitting, secondary progressive and primary progressive. These labels have...

A new artificial intelligence model has found that a routine overnight sleep study may contain far more information about a...

Cognitive decline in later life may not follow a single path, and a new study of Chinese older adults is...

A question that sounds deceptively simple—whether an older person lives alone—may conceal a far more complex story about health, wealth...

As populations age, scientists are looking more closely at a hidden biological process that may help explain why some older...

Chronic pain is often treated as a medical problem that can be measured with scales, prescriptions, and clinical guidelines. For...