Vaccination

Mexico signs deal for 34.4 million Pfizer vaccines

Mexico said it signed an agreement Wednesday with US pharmaceutical giant Pfizer to buy 34.4 million vaccines against the coronavirus, with a first batch due to arrive this month.

Health

Poor oral health may contribute to declines in brain health

Taking care of your teeth and gums may offer benefits beyond oral health such as improving brain health, according to preliminary research to be presented at the American Stroke Association's International Stroke Conference ...

Neuroscience

Concussion linked to short- and long-term risk for overall health

While chronic neurological effects from concussion have been widely studied, little is known about possible links between concussion and long-term medical and behavioral comorbidities. A retrospective analysis published Jan. ...

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