Studies have shown that laughter refreshes the heart.  Laughter reduces stress hormones and stimulates the immune system.

To improve digestion, drink liquids at room temperature.  Cold and hot liquids tend to slow down emptying of the stomach.

Most people require at least 7 hours of sleep per night. It is during this time that your body produces collagen and elastin; two proteins which help your skin stay smooth and look younger

A study at the University of Kentucky showed that people who expressed more positive emotions, including gratitude lived up to 10 years longer than those who expressed fewer positive emotions.