Positive thinking may boost the body’s defenses against disease. Increasing activity in a brain region that controls motivation and expectation, specifically the brain’s reward system, is linked with ...

Training people to activate a part of the brain linked to reward and positive expectations may be associated with an increase in the body's immune response to a vaccine. The findings from a study ...

Scientists have found the first compelling evidence that cognitive training can boost levels of a brain chemical that typically declines as people age. The results of this 10-week study back earlier ...

Brain-training games are all the rage, but whether they prevent cognitive decline has been debatable. Studies in recent years have gone back and forth on the topic, with no definitive conclusion. Many ...

Brain-training exercises may reduce the risk of dementia if they involve speedy thinking, whereas exercises involving memorization or reasoning have no effect on dementia risk, a two-decade-long trial ...

A little brain training today may help stave off Alzheimer's disease and other forms of dementia for at least 20 years. That's the conclusion of a study of older adults who participated in a cognitive ...

A simple brain-training program that sharpens how quickly older adults process visual information may have a surprisingly powerful long-term payoff. In a major 20-year study of adults 65 and older, ...