Evolution Could Explain Why Staying Slim Is Tough
New research suggests that the reason why it's hard to keep weight off lies far back in human evolution, with an anti-starvation mechanism that primes the body to store fat.
Many Pneumonia Patients Get Too Many Antibiotics
Each year in the United States, pneumonia sends 1 million adults to the hospital. The new study examined the medical records of 6,500 pneumonia patients treated at 43 Michigan hospitals. Of those, 60% were interviewed by phone within a month after they left the hospital.