How popping too many painkillers could make symptoms WORSE: Effects of codeine are particularly bad for headache patients
researchers found that over time, the drug resulted in the same level
of increased sensitivity to pain - but provided much less pain relief.
Headache specialist Professor Paul Rolan, of the Royal Adelaide Hospital
in Australia, said codeine has been widely used as pain relief for more
than 100 years, but its effectiveness has not been laboratory tested in
this way before. ...read
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