The effects of obesity should not be underestimated. By means of your BMI chart you can determine your own health. When you are on overweight or obese, then you run a high risk of numerous diseases. Think of heart disease and vascular disease.
In addition, there are numerous conditions such as when you are at high risk if you have too high BMI. Many common diseases are high cholesterol and diabetes. Include things like stroke and cancer to the risks of obesity.
If coming from the BMI that you are suffering from obesity, it is wise to consult your doctor.