Dietary supplements are taken to give the body nutrients that otherwise are not taken in through food. Some people, like Ray Kurzweil, for instance, take 150 pills per day, and see these supplements as the key to longevity.
And yet, some supplements can cancel out the beneficial effects others. There is no single regime that can be used by everyone. Nonetheless, in today's lesson, Kas Thomas makes a powerful case for the benefits of Selenium for both men and women.