Consuming the equivalent of 1.5 cups of grapes per day for four weeks significantly boosted the diversity and health of gut bacteria, and reduced cholesterol levels.

Nine months of meditation and stress reduction training significantly reduced stress levels, as seen by lower levels of the stress hormone cortisol in hair analysis tests.

In a study of 36 young adults, a single 10-minute period of mild exertion yielded considerable benefits to parts of the brain responsible for memory formation, recall, and storage.

Going to sleep between 10:00 and 11:00 pm was associated with the best heart health outcomes. There was a 25% higher risk of heart conditions with a sleep onset at midnight or later.