Are environmental toxins reducing men's fertility?

In a study that signals potential reproductive and health complications in humans, now and for future generations, researchers from McGill University, the University of Pretoria, Université Laval, Aarhus University, and ...

Diseases, Conditions, Syndromes

Flu, COVID are spreading: Protect your heart say doctors

Flu and COVID are sweeping across the country, posing a particular hazard to people at risk for heart disease. These respiratory infections can trigger heart complications from fever, dehydration and inflammation, experts ...

Diseases, Conditions, Syndromes

Post-COVID-19 brain health impaired versus healthy controls

Brain health after COVID-19 is impaired, but no more than that seen for patients hospitalized for other medical conditions of similar severity, according to a study published online Dec. 28 in JAMA Network Open.


Why it's so tough to reduce unnecessary medical care

The U.S. spends huge amounts of money on health care that does little or nothing to help patients, and may even harm them. In Colorado, a new analysis shows that the number of tests and treatments conducted for which the ...

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