Obesity generally is defined as an accumulation of fat beyond what is considered normal for a person’s age, sex, and body type. In today’s society obesity is considered a disease, not a moral failing. It occurs when energy intake exceeds the amount of energy expended over time. Only in a small minority of cases is obesity caused by such illnesses as hypothyroidism, or the result of taking medications, such as steroids , that can cause weight gain.
　　

The more a person weighs, the more blood vessels the body needs to circulate blood throughout the body. The heart takes on a heavy burden as it has to pump harder to force the blood flow through so many vessels. As a result, the heart grows in size and blood pressure tends to rise. Obesity is also a factor in osteoarthritis (because of the extra weight placed on the joints), bone and joint diseases, respiratory ailments, gallblad

'They Said I Couldn't'

——Six stories of people who wouldn't give up（2）

Dumb Kids Can't Jump

'Too dumb. You'll never graduate from high school,' his elementary school teacher told seven-year-old Adam Zimmerman. Sure enough, he 'failed' and was held back a grade.

Being left behind by friends made him feel like 'trash.' But his teacher's cutting comment changed his life. It transformed a kid with dyslexia into a person driven to succeed