The research does not specifically address Raynaud’s, but loneliness appears to be a source of chronic stress, and we know how stress can trigger Raynaud’s attacks.
Even when controlling for factors in study samples such as age, general health and sleep issues, the results were consistent: More lonely people had more inflammation than did those who reported to be less lonely.
So maybe next time you’re suffering from a series of Raynaud’s attacks, think about hooking up with friends or family. If it’s too cold to venture out, invite them over!
For more on the research, here’s the article.