A social status can be for you. Researchers looked at the of 45 monkeys. The with a lower social status were . The monkeys were put into . A new monkey was then added to group. Researchers said the "new girl" was unhealthier she was at the bottom of the .
The was on monkeys, but it could also be for . A professor said should understand that people with a lower status have more health . Poorer people have and TVs, but that does not mean they are . Richer people can live up to 20 years than people.