Reducing the naturally occurring errors in protein production improves lifespan in a study of single-celled organisms — the first study to show a direct link between fewer protein mistakes and longevity.

Having someone available to listen to you is linked to greater cognitive resilience, a measure of the brain's ability to function better with age, and cognitive ages that are 4 years younger. 

In an 11-year-long study, middle-aged adults taking at least 7,000 steps per day had a significantly reduced risk of mortality. Black adults experienced a greater mortality reduction (70%) than white adults (63%).

High fat diets disturb the body's internal clock, which alters satiety control and can lead to obesity. Future research may look to restoring proper circadian rhythm function as a treatment for obesity.