Every doctor wants to see a smile on a patient’s face, but there is one that no doctor ever wants to see: risus sardonicus, sometimes known as the sardonic grin or the devil’s smile, the cruel mark of ...
Researchers propose that the U.S. could safely drop adult tetanus and diphtheria boosters, saving $1 billion annually, since childhood vaccinations provide decades of protection. Evidence from the U.K ...
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