Perhaps your genes are responsible for your expanding waistline. Sometimes the human body is genetically programmed to store fat around the middle area. People with apple shaped body tend to store fat around the abdominal area. However, people with pear shaped figure, characterized by short waist and long torso have flatter tummies as the fats are largely concentrated around the hips and legs.
Your metabolism might slow down due to several reasons. Improper functioning of the thyroid gland could bring down your metabolic rate. Metabolism tends to slow down with age. Even eating disorders can reduce your metabolism rate. Your body will burn lesser calories if you fast or skip meals. Slow metabolism is often blamed for excess fat deposit around the middle area.
Mounting stress might trigger fat build up around the abdominal area. When you are stressed, your adrenal glands secrete excess cortisol. This stress hormone could trigger production of visceral abdominal fats. These abdominal fats are deposited deeper in the abdomen, around the abdominal organs.
If you go to bed soon after dinner, you abdominal fat might increase. To prevent belly fat, you should have an early dinner. After dinner, wait for at least three hours before retiring to bed. Going to bed on full stomach might impair digestion. Improper digestion can cause bloating and gas formation. Improper digestion triggers formation of gaseous liquid in the stomach, which might solidify and become stomach fat.
Poor sleep might trigger excess cortisol secretion, encouraging visceral abdominal fat build up. To lower the cortisol level in your body you need at least seven hours of sound sleep in the night. Your waistline might expand if you fail to get enough sleep in the night.
Many women gain weight after menopause. Perhaps hormonal changes along with lesser physical activities are responsible for bulging tummies after menopause. Post menopausal belly fat is often associated with heart diseases and type 2 diabetes.