(CNN) -- Reese Witherspoon was struck by a car Wednesday while out for a run in Santa Monica, California, but was not seriously injured, a spokesperson for the actress confirmed.

As women age, the threat of gaining weight increases. There seems to be a solution to this problem.

Experts say there is no magic to exercise. You get out of it what you put in. That doesn’t mean you have to work out for hours each day. It just means you need to work smart.