SILICON VALLEY’S DANGEROUS NEW OBSESSION: FASTING TO GET SHARPER AND MORE FOCUSED AT WORK

EARLIER THIS YEAR, Jack Dorsey, co-founder and CEO of Twitter, tweeted that he doesn’t eat for 22 hours of the day, and sometimes not at all. He wrote that he had been “playing with fasting for some time”, consuming all of his daily calories between 6.30pm and 8.30pm. Some days, he subsists only on water. “The first time I did it, like, day three, I felt like I was hallucinating,” he later told an interviewer. “It was a weird state to be in. But as I did it the next two times, it just became so apparent to me how much of our days are centred around meals and — the experience I had