20 Foods that Speed Up Aging ByStephanie Holmes, 06/14/2024 Gourmandize shares Share on Facebook Share on Twitter Pin it Share on WhatsApp Share on Google+ 6/20 Previous Next © Thinkstock 6. Microwave popcorn Avoid microwave popcorn varieties that are prepared with artificial butter and other unnatural ingredients. The more "fake" things you put into your body, the worse the effects can be in the long-run.