PHILADELPHIA (CBS)—Spending a lot of time behind the wheel could reduce your intelligence, according to a report in The Sunday Times.

The results of the study, published by The Australian, found that regularly spending more than two hours a day behind the wheel steadily reduces your IQ.

Pet Translation Device Could Be Available Within 10 Years: Report

Researchers say they examined the lifestyles of more than 500,000 Britons aged 37-73 over five years and administered intelligence and memory tests.

The study found 93,000 people who drove for more than two to three hours a day typically had lower brainpower before the research began.

Coffee Recalled For Undeclared Viagra-Like Ingredient

The other was that, over the following five years, their brainpower kept on declining — and did so faster than for people who did little or no driving.

Read more about the study HERE.