Your metabolic rate naturally continues to decline 5 percent each decade once you hit 40.3 Your resting metabolic rate (RMR) determines how many calories you just to survive. It is determined by a variety of chemical reactions inside your body. These reactions rely on your mitochondrial function and sodium-potassium pumps. Your mitochondria help to create energy, while your sodium-potassium pumps generate muscle contractions and nerve impulses.4,5,6,7,8 Both of these processes become less effective over the years and slow your metabolism.9,10 If you eat more than your RMR yet lead a sedentary life, you set yourself up for weight gain.
You may wonder if you should even try to lose weight in midlife. Shouldn’t you just accept weight gain during menopause as part of life? The answer is “No!” While accepting and loving your body is important, achieving and maintaining a healthy weight as you are reaching menopause is not about how you look. Excess weight in later life holds a variety of dangers to your health and well-being.18 Losing excess weight, and especially belly fat, may significantly decrease your risk of a variety of health issues, including19,20: