The number of times a person gives birth may affect how quickly they age The number of times a person gives birth may also affect the body’s physical aging process, according to Penn State researchers. Image: Getty Images RuslanDashinsky The number of times a person gives birth may affect how quickly they age Katie Bohn December 01, 2020 UNIVERSITY PARK, Pa. — Having children doesn’t just make you feel like you’ve aged overnight — a new study led by Penn State researchers found that the number of times a person gives birth may also affect the body’s physical aging process.