Obesity is a common problem today. It ___1___
millions of people all over the world. Obesity tends
to run ___2___
families. Some people have a genetic tendency to
gain weight ___3___
than others because they burn calories more slowly.
___4___ genes
strongly influence body type and size, the
environment also plays a role. People gain weight
because of unhealthy food ___5___
like fast food or family habits like nibbling food
in front of the television.
Sometimes people ___6___
food for emotional reasons, such as when they feel
stressed, anxious or even bored. When ___7___
happens, they often eat more than they need. Obesity
can lead to many health problems such as diabetes
and heart disease. |