'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.
1 The process of menopause does not occur overnight, but rather is a gradual process. This so-called perimenopausal transition period is a different experience for each woman.  The average age of menopause is 51 years old, but menopause may occur as early as the 30s or as late as the 60s.