Why Weight Gain Happens After 40? After 40, the body becomes less forgiving with excess calories and inconsistent routines. Fat storage Appetite regulation Muscle recovery Energy expenditure Common signs include: Belly fat gain Slower fat loss Water retention Increased cravings Low energy Many women also notice perimenopause weight gain and bloating, which can mak... https://www.freedomfromdiabetes.org/blog/post/weight-gain-after-40-in-women-reasons-and-solutions/5246