The only thing we really know with 100% certainty is that humans have been taking DMT for several thousand years. In 1990, two mummified human bodies were dug up near the Matanza River in northwestern Argentina. The mummies were very well preserved, both being adorned with high quality woolen mantles.
Just 30 minutes of swimming three times per week can boost your energy levels through increased metabolic rate. Exercising without the sweat. If sweating puts you off other forms of exercise, fear not!
The American College of Sports Medicine recommends that all adults under 65 at least do moderately intense cardio, 30 minutes a day, five times a week or vigorously intense cardio, 20 minutes a day, three days a week, to lower risk of disease and keep their hearts healthy.