Exercises to lengthen life

Once again, science shows that keep the body moving is essential to health. A study at Harvard University in the United States, showed that physical exercises that require effort, are optimal for living longer and better. Note that before beginning an exercise program, experts recommend consulting a doctor to make him an electro effort to verify the resistance of the heart.
Now let's see what are the physical activities that, according to the study, are more efficient at "prolonging life":

• Walk at a rapid pace (7 to 8 km per hour) during 45 minutes, three times a week.

• Playing one hour of tennis, three times a week.

• Walking one hours cycling four times a week.