Top medical news headlines for the week 13

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 ...

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, ...

Study links cold weather with excess cardiovascular deaths

On the heels of one of the coldest winters in memory for large swaths of the United States, new research highlights an often overlooked cost of cold weather: months with lower temperatures see significantly greater rates ...