Obesity is a medical condition defined as abnormal or excessive fat accumulation that may lead to increased health problems like heart disease, type 2 diabetes, obstructive sleep apnea, certain types of cancer and osteoarthritis. A person with BMI greater than or equal to 30 is considered as obese. In our contemporary world, junk foods and other high calorie foods spoil our healthy lifestyles. It is no marvel that obesity has rapidly increased in the last few decades, around the world. Key facts:1. Obesity often results from over-eating, unhealthy diet and lack of enough exercise, though some people may be genetically prone.2. Obesity is a life-threatening disease that affects nearly every organ system in our body.3. Around two-thirds of adults and nearly one-third of children in the United States are overweight or obese.4. Excessive weight is the fifth leading risk of global deaths. Obesity has nearly doubled since 1980. 5. Every year 2.8 million adults die as a consequence of overweight or obese.6. In 2011, more than 40 million children below the age of five years were overweight. Childhood obesity is one of the most serious public health challenges globally.7. Obesity rates are higher in children and adults with disabilities as compared to those without disabilities in the United States8. Reports indicate that by 2030, half of all adults in the United States will be obese.9. Obesity can be avoided in many cases by proper diet, maintaining sedentary life style, and proper exercise.