Breast cancer survivors of an older age should follow ongoing exercise programs involving resistance and impact training to build and maintain muscle strength and bone density, according to a new study. Read more
INFOGRAPHIC OF THE WEEK
Practice puts brains in your muscles.
- SLICE OF HISTORY
A Hartford, Connecticut dentist named Horace Wells inhales nitrous oxide—commonly known as laughing gas—and then has his assistant pull a wisdom tooth from his mouth. Although the assistant would later write that the tooth "required great force to extract," Wells feels no pain. After the gas wears off, he declares the beginning of "a new era in tooth-pulling." Wells was right, but his experiment didn't change just dentistry; it introduced the concept of giving anesthesia to patients before surgery. Sadly, Wells didn't see his discovery become common medical practice. He became addicted to chloroform and, in 1848, committed suicide while in a New York City jail. Read more