Exercise can help you preserve lean muscle and increase your declining calorie-burn rate, but your children and parents are at ages that require extra care and time. Combine these obligations with a demanding job, and it's tough to meet the 150 minutes of moderate-intensity exercise and two strength-training sessions recommended by the Centers for Disease Control and Prevention.
“Most 40-year-olds can remember the fat-free craze of the ’90s, when Snackwells was king,” says Shapiro. “Well, those days are over.” She advises that you leave the fat-free fake foods behind and enjoy healthy fats that add flavor to your meals and help you fill up with less. “Coconut oil, avocado, nuts, seeds, salmon are rich in vitamins and minerals that will keep you young and fill you up on smaller portions, and therefore fewer calories.” She says.