People with Parkinson's disease who have less social interaction are at greater risk for developing more severe symptoms of the disease than those who are less lonely.
Lonely people are 24 percent more likely to feel tired and have a harder time concentrating, a new study reports.
Living alone is associated with an increased risk of developing common mental disorders, such as depression.
Those who report feeling consistently lonely and socially isolated between the ages of 45 and 64 have an increased risk of developing dementia later in life. However, the risk can be reversed if people embark on activities to expand their social lives and become less lonely.
According to a new study, negative interactions on social media may increase feelings of loneliness and social isolation in young adults.
Researchers report people should look more deeply into the environmental factors and mental health issues surrounding those involved in school shootings, and not simply blame peer rejection.