Weight Watchers' is the diet most frequently recommended by doctors and is endorsed by the U.S. Agriculture Department.

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The most common type of meditation recommended by doctors and used in hospital programs is called Mindfulness-Based Stress Reduction, which was devised at the University of Massachusetts Medical School.

WSJ: Doctor's Orders: 20 Minutes of Meditation Twice a Day

The very high levels of vitamin D that are often recommended by doctors and testing laboratories and can be achieved only by taking supplements are unnecessary and could be harmful, an expert committee says.

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Dr Sally Hope, a GP in Oxford and chair of the primary care gynaecology group, said that women with infections such as thrush were already recommended by doctors to eat yoghurt containing live bacteria, and in some cases to insert yoghurt into the vagina.

BBC: Bacteria may be added to tampons

The doctors convened by the FDA's advisory panel disagreed, and recommended approval.

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The doctors are injecting the children with oily chloramphenicol, endorsed by the World Health Organization as the recommended treatment for bacterial meningitis epidemics.

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According to the California HealthCare Foundation, there are only 38 general doctors for every 100, 000 people on Medi-Cal about half the minimum number recommended by the federal government.

ECONOMIST: Medicaid