Many experts consider exercise to be the closest thing to a miracle drug.

Knee pain is often a sign of over-training or a need to improve form or flexibility. Running actually seems to improve knee health.

Research found that young people that run for 30 minutes, five days a week focus better during the day and sleep better at night.

People who get 30 minutes or more of aerobic exercise on regular bases are less likely to develop certain types of cancer or other forms of illness.

Many studies that focus on running found that aerobic exercise can improve people's ability to handle stress.

Running for 5 minutes a day can add years to your life.