What to know about some of the most common — and deadly — indoor household toxins. My cat loves to graze on houseplants and cut flowers, and sometimes vomits within an hour or two afterward. Is it ...

A new study suggests rising carbon-dioxide levels may be slowly changing human blood chemistry and could impact long term ...

Note: Some stories include subjects of graphic medical imagery, gun violence, and drug abuse. Please proceed with caution.

Scientists are discovering that Alzheimer’s disease may begin long before memory loss becomes noticeable, and the earliest warning signs may involve changes in blood flow and oxygen in the brain. A ...

Your goals can also be metric-free, such as wanting to run in new and exciting locations, running with friends and family or ...

High-altitude living may reduce diabetes risk as red blood cells act like glucose "sponges," absorbing sugar from bloodstream in low-oxygen environments, research suggests.

We have tested the best winter cycling gloves, and these are our top picks for keeping hands warm and dry, no matter what the ...

Toilet seats, bath mats, and other essentials can harbor bacteria other pathogens that make us sick. Here’s why it’s important to disinfect them regularly.

The Johns Hopkins professor recommends some tips you may know—and a few that might surprise you—to keep your brain firing on ...

Scientists have long known that people living at high altitudes, where oxygen levels are low, have lower rates of diabetes ...