A new study reveals why some people with the herpes simplex 1 virus experience painful lesions, while others have no symptoms and yet still spread the infection. Researchers say the difference could be a result of how variations in the way certain strains of HSV-1 activate gene expression in neurons.
People who experience fewer stressors in daily life report better emotional stability, moods, and overall health. However, those who are less stressed score worse on cognitive tests than those who experience daily stressors. Those who are stress-free are also less likely to give emotional support or experience positive things happening throughout the day.
Men and women who endorsed hegemonic masculinity were more likely to vote for, and have positive opinions of Trump.
The number of times a woman gives birth has an effect on physical aging. Women who give birth less than, or more than, three or four times age faster after menopause.
Altered microRNA levels in a person's saliva can help determine if they have experienced a recent concussion. The new saliva test is a cheap and non-invasive method for the identification of concussion.
People who reported chronic insomnia or sleep duration of fewer than six hours were twice as likely to experience cognitive impairment compared to those who experienced good sleeping patterns. The association was stronger for those with coexisting cardiometabolic conditions.
Study reveals those with narcissistic personality traits may be more politically active. Those with high levels of narcissism were more likely to contact politicians, sign petitions, and donate to political causes. Previous studies linked narcissistic traits to behaviors harmful to functioning democracies, including conflict and civic strife.
Cortical thickness and regional brain connectivity pay an equally important role in linking brain and behavior.