Even a few extra pounds can have a big impact on your life. Watch this animated video to see how extra weight can affect your daily activities — and how small changes can help you lose weight. This video is by the National Heart, Lung, and Blood Institute (NHLBI), part of the National Institutes of Health (NIH). Learn more: https://www.nhlbi.nih.gov/health/educational/lose_wt/onepound.htm Follow us on Twitter: http://www.twitter.com/nih_nhlbi Like us on Facebook: http://www.facebook.com/NHLBI