Forget 30, flirty, and thriving—you’re 40 and ready to have the fittest years of your life. Maybe, after years of caring for young children, you’ve mastered the morning school drop-off and have ...

At this point, the benefits of cardio are well known. A brisk walk or jog is good for the joints, cardiovascular health, mental health, and more. But strength training is right up there too. The perks ...