Hormone imbalance can also wreak havoc on your weight. Keep in mind that perimenopause and other hormone changes can start when you are in your 40s. Estrogen dominance will definitely interrupt weight loss but so will the imbalance of cortisol, leptin and insulin. We have a great article that covers, in great detail, how these hormones affect your body. Check out Balance These 4 Hormones If You Want To Lose Weight for more information!
However, the important takeaway here is this: The biggest factor in losing muscle is the lack of physical activity, which makes exercise a crucial component when it comes to preventing muscle loss. If you want to figure out the real deal, enter your information into a calculator to learn how many calories you really need for your age and activity level.
People naturally lose muscle after 40, especially women after menopause. Because muscle burns more calories than fat, this can slow down your metabolism and make it harder to shake those stubborn pounds. Strength-training exercises -- lifting weights or doing body-weight exercises, like push-ups and squats -- at least twice a week can help you keep those muscles.