Stay Slim & Healthy In Your 40s

By age 40, you've lost up to 10 percent of your muscle mass—and, thus, may be burning about 100 fewer daily calories than you were 10 years ago. Plus, you’re approaching perimenopause (if you haven’t hit it already), which tends to spell trouble for your midsection. “This decade is when a lot of weight goes toward the abdomen, hips, and thighs,” White says. Here’s how to keep your dress size stable.

42ys Old Nigerian Actress Kate Henshaw

Kick up workouts
A slowing metabolism begins to make it even harder to ditch extra pounds, so you’re going to have to take your workout up a notch and make sure you do some full-body strength training two to three times per week, says celeb trainer Kathy Kaehler, author of Fit and Sexy for Life. 
Do vigorous cardio, such as a Spinning class, for at least 40 minutes most days each week. You’ll burn mega calories, and your metabolism will get a boost for up to 19 hours afterward, a University of Alabama at Birmingham study suggests

Think whole
With less wiggle room in your daily calories, you have an
increasingly smaller margin of error. Fight back by eating whole-grain foods, like brown rice and whole-grain cereal, that fill you up without adding tons of calories, says Bonnie Taub-Dix, RD, author of Read

Whittle your middle
"Since abs, hips, and thighs are common problem areas in your 40s, tone all three with the jump-squat move,” White says. 
Lower into a squat, then put hands down in front of you. Kick feet back to get into push-up position, then jump feet back in and return to a squat. Jump as high as you can from squat position. Do three sets of 15 reps daily.