'Leptin is the hormone that inhibits hunger so diet drinks like Diet Coke actually make you hungry and less satisfied with normal amounts of food, and finally when you eat or drink a lot of chemicals that your body simply cannot break down, your body makes more and more internal fat to wrap the chemicals in keeping those harmful chemicals away from your vital organs.
Also, a few things can cause early menopause such as smoking. If you've had a hysterectomy (the removal of the uterus without the removal of your ovaries) you may go into menopause a little earlier than you normally would have because of the decreasing hormones and waning effects on the ovaries.
But some women unexpectedly go into menopause early, even if their ovaries are still intact. The average age for menopause in the United States is 51, according to the National Institute on Aging. Generally, most women experience onset between the ages of 40 and 60. Early menopause usually refers to cases where onset occurs before the age of 40. There are several known causes of early menopause, although sometimes the cause remains unknown.