Every guy needs some fat – even if you’re Dwayne “The Rock” Johnson. But too much fat, and your testosterone levels will probably plummet – putting your health at risk on several fronts. In fact, there is a wealth of evidence that obesity is negatively correlated with testosterone levels. One study, for example, found that compared to men with a healthy weight, obese men were more than 8x as likely to have low testosterone.
In the United States – and elsewhere in the world, too – a long, restful night of sleep is becoming a thing of the past. Maybe that doesn’t come as too much of a surprise, though – what with phone notifications dinging at all hours, the constant wail of sirens in sprawling metros, pressing deadlines in a fast-paced business environment, and the omnipresent glow of digital screens. As one pair of researchers observed: “Ours is a 24-h society with more evening and night-time work and leisure activities.” Continue reading