People are exercising away their grief. What does the science say?

Before even beginning their workout, nearly every participant in Sylvia Borowska's recent Liftonic class was crying. The instructor asked each of the 30 participants to grab the heaviest weight they could pick up. Pretend it's on your shoulders or on your back or in your chest, Borowska told them.

"Do as many deadlifts as you can for the amount of time that the person you've lost has passed," Borowska said she told the class. "That can represent either the months or years you've been grieving."...