A new study in psychology used advanced statistical modeling to chart loneliness and social isolation as older adults move through stages of cognitive impairment and mortality. The results suggest that loneliness plays a much stronger role in cognitive impairment and shorter life spans than social isolation on its own.

Emorie Beck, Ariel Mosley and Tomiko Yoneda were named among this year’s Rising Stars by the Association for Psychological Science for their publications, discoveries and the potentially broad impact of their work.

Feeling happy is good for everyone’s health, but sharing everyday happiness with a life partner brings even greater health benefits, according to new research from the University of California, Davis.