Health policy must tackle the social and economic determinants of health. Poor social and economic circumstances affect health throughout life. Social gradient would be best depicted by a ladder.
When thinking about health inequalities people often use the analogue of the ladder to show how the gradient of worsening health outcomes affects all people in society except those at the very top. This leads to the second part of the answer. health follows the social gradient. Those second from the top have worse health than those at the top, and so on, all the way down the social hierarchy.
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The correct answer for this question is Designed experiment.
A person experiences the placebo effect when their physical or mental health seems to get better after receiving a placebo or "dummy" treatment. A treatment that seems to be real but is intended to have no therapeutic benefit is referred to as a placebo. The Latin word for placebo means "I will please."
One of the most popular hypotheses holds that a person's expectations are what causes the placebo effect. It's possible that the body's chemistry can produce results comparable to what a drug might have produced if a person anticipates a pill to do something.
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Aminoglycosides is the correct answer
Having friends that are sexually active and prior sexual activity and dating older people
