Scientists have discovered that a type of fat accumulates as tissue ages and that this accumulation can be reversed through exercise. Researchers analyzed both mice and human tissue before and after exercise allowing them to draw this conclusion. "The idea that we could reverse aging is something that was long considered science fiction, but these findings do allow us to understand a lot more about the aging process," says Riekelt Houtkooper. "Everyone says that 'it's just part of getting older,' but this doesn't actually have to be true," says Georges Janssens. In recent years, laboratory research has shown that we...