Travelling induced jet lag isn't the only thing that causes untimely fatigue. Ignoring your biological rhythms can lead to chronic exhaustion, too, something that feels so much like jet lag that Till Roenneberg and his team, at Ludwig-Maximilian University, in Munich, Germany, coined the term "social jet lag" in 2006.
When John Kane was approaching 50, he noticed his weight had crept up to 275 pounds. At 6-foot-2 and medically obese, he turned to the gym to slim down, doing an aerobic workout five days per week. But the regular gym sessions became tiresome after a few years, and when Kane stopped exercising, he gained back all the weight.
Many religious groups incorporate periods of fasting into their rituals, though the focus there tends to be more spiritual than health-oriented: Muslims fast from dawn until dusk during the month of Ramadan, Christians, Jews, Buddhists, and Hindus who traditionally fast on designated days of the week or calendar year.
This post is about how to use modern science and personalized medicine to make yourself healthier, more productive and happier. Every day. Executive Summary (key points): I am a tech CEO who wanted to have better energy, mood, focus, happiness, confidence, willpower, intelligence, health and longevity.