Doctors know the importance of losing extra weight, but Dr. Brennan Spiegel voluntarily spends part of his day being overweight by 60 pounds to boost his health.

Spiegel wears a 20-pound weighted vest and 20-pound weights on each ankle at work — except when he’s meeting with patients because “that looks a little unusual,” he says.

“But when I'm in my office, I continuously wear them. So on certain days, I might wear them for five hours,” Spiegel, a gastroenterologist and professor of medicine at Cedars-Sinai in Los Angeles, tells TODAY.com.

“The idea is when I take the weights off and I go about my day, I have a certain resilience that's built into my body because I've been practicing life on a larger planet — a planet with greater pull, which makes it a little easier to manage this pla

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