The U.S. has the highest obesity rate by far of any developed country. The vast majority of Americans—nearly three-quarters of us—are either obese or overweight.
This would be a major health crisis in the best of times. But during the coronavirus pandemic, it is proving to be even more deadly.
Four recent studies show that obesity may be the single greatest risk factor other than age for having a severe case of COVID-19 or dying of it.