Severe infections may raise dementia risk

Severe infections increase the risk of dementia independently of other coexisting illnesses, according to a new study published in the open-access journal PLOS Medicine by Pyry Sipilä of the University of Helsinki, Finland, ...

Vivid dreaming makes sleep feel deeper, researchers discover

Researchers led by Guilio Bernardi at the IMT School for Advanced Studies Lucca in Italy have discovered a key relationship between dreaming and the feeling of having had a good night's sleep. Published in PLOS Biology, the ...

Study warns fluoride bans may raise tooth decay in children

Removing fluoride from drinking water could lead to more cavities in kids and higher health care costs, a new analysis suggests. Researchers estimate that if five states stop adding fluoride to public water, more than 132,000 ...

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