Two studies find that small amounts of peanuts (1 oz) or herbs and spices (1 tsp) positively affect the composition of gut bacteria.

Beginners who took piano lessons for 11 weeks had significant improvements in recognizing audio-visual changes (a marker of brain processing) and reported better mood.

The "Green Mediterranean" diet reduces harmful visceral adipose tissue by more than double the rate of those on a traditional Mediterranean diet.

Older women who drank black tea daily were found to have lower levels of abdominal aortic calcification (AAC), which is a predictor of cardiovascular disorder risk and memory decline.