Learn how much cardio you need after 40, how hard to exercise, and how to balance joint-friendly activity with strength training. By Roi Shik in Venice, FL.

The scale measures total weight, not body composition. Learn why a smaller waist can reveal fat-loss progress and provide important information about your health after 40.

ACSM has released its first major resistance-training update since 2009. Learn what the research means for building strength, preserving muscle and remaining active after 40.