The previous body temperature standard of 98.6 degrees Fahrenheit may not be accurate. Two studies found that body temperature is dropping, with averages ranging from 97.5-97.9 degrees.

Night owls, also known as delayed sleep phase disorder, may stay up so late due to a common genetic mutation in a protein called the cryptochrome, which alters a key component of the circadian rhythm.

Regular consumption of omega-3-rich foods from both animal and plant sources strengthens the heart's membranes to reduce the risk of re-hospitalization or death after a heart attack.

Flavanols, which are polyphenols found in berries, apples, and tea, are linked to lower blood pressure. In a large study, those who consumed the most flavanols had significantly lower blood pressure.