Strokes are a medical emergency, yet imaging can capture only snapshots of how brain damage develops in the hours and days ...

A diurnal cortisol test shows the pattern of cortisol levels, a biomarker for stress, throughout the day. Abnormal changes in cortisol levels may be an indicator of an underlying mental or physical ...

By Dennis Thompson HealthDay ReporterTUESDAY, Jan. 6, 2026 (HealthDay News) — A mail-in blood test accurately detects markers ...

Going on antidepressants can give many people their life back, but for some there is a catch. About 25% to 80% of people who take antidepressants experience sexual side effects to some degree during ...

It wasn't that long ago that the only way to test for Alzheimer's disease was to perform an autopsy on someone who had been suffering from dementia to look for the telltale tangles of tau and amyloid ...

The Food and Drug Administration has approved a blood test to detect concussion that produces results in minutes rather than hours -- a breakthrough that could help expedite treatment for service ...

Long before memory problems appear, your brain may already be losing neurons. That is the unsettling message from new work by scientists at the University of Colorado Anschutz Medical Campus, who ...

Researchers have discovered that the ability to have an erection or to orgasm is related to the levels of serotonin in the brain, but this relation only applies to depressed patients taking SSRI ...