Smoking tobacco is so harmful to the body that it changes a person’s immune system, leaving them vulnerable to more disease and infection even years after they’ve quit, a new study found. Although ...

Stress -- in the form of traumatic events, job strain, everyday stressors and discrimination -- accelerates aging of the immune system, potentially increasing a person's risk of cancer, cardiovascular ...

image: A new study by researchers at Washington University School of Medicine in St. Louis reveals that a connection between the body and mind is built into the structure of the brain. The study shows ...