A new shows that having a low social status can be bad for our . The study was on monkeys. Researchers from Duke University in the USA looked at the and health of 45 female monkeys and found that those with a social status had more health . The monkeys were split up into five of nine. The researchers gave the monkeys in each group to get to know other. Then they took one monkey from each group and put her into group. This meant she was the "new girl" and was at the bottom of the group. When scientists checked the health of the monkeys, they found that the "new girl" was than the other monkeys.
The researchers said that their study focused on monkeys, the could also be true for humans because we share a of our DNA with monkeys. Professor Graham Rook, from University College London, told the BBC News that the findings of the study may also apply to . He said governments must understand that people with a lower social status suffer more from health problems. He said that just "people at the bottom" have got and TVs, it does not mean they are . If they feel they are at the bottom compared with richer people, their health will worsen. People who are can live up to two longer than who are poorer.