Believe it or not, driving can lower your IQ. In a recent study of about 500,000 people between ages 37 and 73, researchers found a noticeable drop-off in brainpower, intelligence and memory. Among the people are those who drove for more than two hours each day. The study also found that the more time people spent watching TV or driving, the  their test scores. It is because such activity fails to either the body or the brain. If you must drive long

to work, consider adding a mentally active activity on the road, such as listening to language lessons.