Jesper Bengtson
Why 3 minutes of hard sprinting may matter more for your blood than a long jog
New Rockefeller research finds short, all-out bursts trigger a molecular response that long steady workouts do not.
8 early warning signs of endometriosis that take years to get diagnosed
The average patient waits more than a decade for answers. Here are the signs to catch it sooner.
Taking the stairs may cut your risk of dying from heart disease by 39 percent
A pooled analysis of more than 480,000 people finds a striking link between stair climbing and longevity.
What your hair could be telling you about your thyroid, iron and hormones
Hair follicles are among the body's most active tissues and often flag internal changes early.
One blood draw, many cancers: A new UCLA test aims to replace a slew of screens
UCLA scientists say their liquid biopsy spotted four cancers and gauged liver damage from a single tube of blood.
What the color of your urine can reveal about your kidneys and overall health
Your urine offers a daily read on how well your kidneys are handling waste and water.