A new study has revealed that the rich and poor not only differ from the money they have, but they are also "biologically different." A team of researchers have stated "higher levels of testosterone" as the reason behind richest of us living up to eight years longer than the poorest.
The University College London study showed that those with the lowest household income, defined as less than 6,000 pounds a year, had 10 percent lower testosterone levels than men earning 30,000 pounds or more.
‘Reducing inequalities between the poor and rich can improve health and also reduce healthcare expenditure.’
AdvertisementThe study of 1,880 British men and women also revealed that women whose parents were unskilled workers have testosterone levels 15 percent higher than women whose parents had professional jobs, leaving them more at the risk of early puberty, infertility and polycystic ovaries.
Those with the least education also have low levels of cortisol, which can lead to pain, depression, insomnia and heart palpitations, and depleted levels of IGF proteins (insulin-like growth factor). Low levels are linked to an increased risk of cancer and reduced mental abilities.
Women with no qualifications were found to have 16 percent less IGF than women with degrees. Men from the same background have eight percent less than better-off males. Researcher Diana Kuh said that they found socio-economic disadvantage across life, based on father's social class and the study member's education, social class and income, was associated with an adverse hormone profile.
These socio-economic differences in hormone systems may play a role in explaining social inequalities in health as we age. Kuh noted that reducing inequalities could have powerful benefits in improving the health of the population and in reducing healthcare expenditure.
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