Exercise may make you smarter. Canadian researchers put six adults who didn't exercise on a regular workout program. Four months later the study participants were not only healthier - they also performed better on cognitive tests. Doctors say exercise improves blood flow to the brain.
Women who lose a lot of weight appear to have healthier kids. Doctors looked at mothers who had children before and after undergoing bariatric surgery. The kids born after the moms lost weight had fewer cardiovascular risk factors
than their older brothers and sisters. Researchers believe weight loss and better health can improve certain genes mothers pass on to their children.
Another reason to get a flu shot. Scientists say it can also protect against heart attack and stroke. Doctors at the University of Toronto studied 3,000 people and found those who got a flu shot had a 50 percent lower risk of suffering a major cardiovascular problem.
(Ines Ferre for CBS News)