'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.
Irregular Periods: About four to eight years prior to natural menopause, typically in a woman's late 40s, menopause-related changes may begin. One of the most common and annoying symptoms you may notice during your 40s is that your periods become irregular. They may be heavy one month and very light the next.