Feeling full does not always switch off food reward. Researchers explain how sensory-specific satiety can make dessert relatively more appealing after the main meal has lost its attraction.
Researchers analyzed autobiographies written by 180 Catholic nuns around age 22 and found that those expressing more positive emotions had substantially lower mortality decades later, with lifespan differences reaching about 10.5 years in some measures.
Scientists investigating unexplained fevers after tick bites have identified a previously unknown virus in China. The findings connect ALTNV to flu-like illness and raise important questions about diagnosis, coinfections and tick-borne disease surveillance.
