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Doctors urged to use lowest dose possible.
10 hours of nightly shut-eye reduced people's sensitivity to painful stimulus, study finds.
But large clinical trials are needed, researchers say.
Pesticide-treated fruits, vegetables may also harbor the compound, researchers say.
U.S. law gives states, local governments the means to restrict advertising strategy and placement.
88-year-old's bronchitis isn't life-threatening, doctors just playing it safe, staffer says.
Fewer and less severe injuries seen in those wearing head protection, study review finds.
Study found older women who got shots showed greater bone loss in hips six months later.
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