Smoking vs. cardiac damage (IMAGE) University of Eastern Finland Caption In 1931 children followed up from age 10 to 24 years, persistent tobacco smoking from childhood through young adulthood caused structural and functional heart damage. Tobacco smoking excessively increases heart mass during growth from adolescence to young adulthood. Image: Andrew Agbaje. Credit Andrew Agbaje Usage Restrictions Please mention the credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.