Lack of energy balance: A lack of energy balance often becomes the reason for obesity or overweight. Energy balance means that your energy IN equals your energy OUT. 2. An inactive lifestyle: Many of the people are not that physically active especially in today's time. People often lose their ability Keto Black to work hard due to the sedentary lifestyle. An inactive lifestyle will also result in raising the risk for coronary heart disease, high blood pressure, colon cancer, diabetes, and other health problems. 3. Environment: Our environment today does not support healthy lifestyle habit. In fact it directly or indirectly results in obesity.