Fitness

Apple cider vinegar does have a few things going for it but its powers have been vastly over-estimated in the popular imagination

Early work suggests nanoparticles may help rewarm cryopreserved tissue 

The social media giant will offer updated contact tools

Shortness of breath can arise from a bewildering number of conditions, complicating diagnosis and treatment

Thanks to some evolutionary hardwiring in the brain and body, our physical and psychological temperatures are linked 

Some advanced cancers can now be successfully treated by synthetic immune cells that are more powerful and longer-lasting than any found in the body

Red blood cells retain a memory of high-altitude exposure, allowing for faster acclimation next time. But that memory fades within four months. Christopher Intagliata reports. 

Properly fermented foods deliver probiotics that could help cut disease risk, said a researcher at the annual meeting of the AAAS.

In urban Asian areas myopia among teenagers is topping 90 percent—but foresight may be able to bring those numbers way down.

A host of detailed cell atlases could revolutionize understanding of cancer and other diseases

A new study shows five days of hunger a month may reduce risk factors for aging and age-related diseases

The secret to healthy weight loss may have nothing to do with how many carbs or how much fat you eat. Read on to find the surprising factor that might make all the difference