Obesity means that you have a damaging and unhealthful quantity of body fat. Every person requires some amount of body fat, but excessive fat can cause health problems. An obese one has gathered too much body fat that it might have a harmful result on their health. If a person's bodyweight is about 20% higher than required amount than it should be considered as obesity. Obesity is also explained by the collection of too much quantity of fatty or adipose tissue. Obesity results from uneven energy resources. An obese person consumes excessive food energy than of outflow and stores the extra energy as body fat. The existence of this surplus fat damages the functioning of several important organs and body systems and can results into many health issues, and sometime even death. Obesity is a reason of worry because of its inference in the health of a person. It increases the risk of several diseases and health problems including, Coronary heart disease, high blood pressure, high cholesterol level, stroke, respiratory problems, deterioration of bones and joints, abnormal menses, infertility, cancer, diabetes and many more.
Obesity is measured by Body Mass Index or BMI. The BMI is a statistical measurement resulting from weight and height of a person. Even though it is considered to be a helpful way for estimation of healthy body weight, it does not evaluate the percentage of body fat. In some cases, BMI measurement can be misleading, like in case of a muscleman, may have an elevated BMI but have much less fat than an unhealthy person whose BMI is lesser. But, usually, the BMI measurement can be a valuable gauge for the 'average person'. If someone’s Body Mass Index (BMI) is in between 25 and 29.9, than he/she are considered overweight. If the BMI is 30 or over then the person is considered as obese.