Christopher Wanjek is the author of the health books "Bad Medicine" and "Food At Work" and the novel "Hey, Einstein!" a comical nature-versus-nurture tale about raising clones of Albert Einstein in less-than-ideal settings. His column, Bad Medicine, appears regularly on LiveScience.
Americans are spending $23 billion a year on them, and the National Institutes of Health thinks that might be about $22.99 billion too much.
Mummies have fascinated people for centuries, and have even been ground-up and used as medicines.
Morning people have a lower risk for depression and other mental health concerns compared with night owls, but your natural sleeping pattern is strongly controlled by genes, a study finds.
Recreational marijuana use is becoming increasingly legal across the U.S., but that doesn't mean that it's safe.
Researchers have found a way to short-circuit the "immortality switch" that cancer cells use to divide indefinitely.
The promise of CRISPR is being realized today in the lab through the creation of special animal models and cell lines. And the technology is finally entering the clinic to treat humans directly.
Stay up to date on the latest science news by signing up for our Essentials newsletter.
Thank you for signing up to Live Science. You will receive a verification email shortly.
There was a problem. Please refresh the page and try again.