Weight gain causes always unknown, but for eating more with no exercise is a powerful combo often to extra pounds, and this risks age-related illnesses, chronic stress, poor sleep and sex hormone imbalance.
Getting older brings physiological changes that can affect body weight. Chief among them is muscle loss. From middle age, one loses about 1% of muscle mass per year, which affects strength and metabolism; smaller muscles use fewer calories; for instance, where diet does not change, there is more consumption of calories than needed.
