My Child Is Gaining Too Much Weight. What Can I Do? Kadakkal Radhakrishnan, M.D. Obesity in children is leading to health problems such as diabetes, high cholesterol and high blood pressure. Kids with obesity are also at high risk of developing low self-esteem and depression. Addressing these issues early promotes better health in adulthood. Problems and Health Issues Related to Excess Weight Gain Type 2 diabetes. This is a chronic problem resulting in elevated blood sugar, secondary to less-than-ideal response to insulin, the hormone that regulates sugar. Being less active physically and gaining excess weight are risk factors for developing Type 2 diabetes.