Hope told police he would not "take the rap" for something he did not do and drug addict Richards denied the killing.

BBC: South East Wales

The U.S. Food and Drug Administration generally only accepts studies in which patients are assigned to take a drug randomly, eliminating the possibility that people who take statins do better simply because they take better care of themselves.

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Officials also argue that critics do not take into account how officers must constantly take on violent drug gangs.

BBC: Brazil's police accused of routinely killing suspects

To do that means getting the country's drug companies to take part in what is, for them, the non-traditional activity of traditional medicine.

ECONOMIST: India is testing its traditional medicines

One radical solution would be to take clinical trials out of the hands of the drug companies, and to put in place a government agency to do the work.

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