During my years caring for patients, the most common pathology I saw was not heart disease or diabetes; it was loneliness. Loneliness and weak social connections are associated with a reduction in lifespan similar to that caused by smoking fifteen cigarettes a day and even greater than that associated with obesity. Loneliness is also associated with a greater risk of cardiovascular disease, dementia, depression, and anxiety. At work, loneliness reduces task performance, limits creativity, and impairs other aspects of executive function such as reasoning and decision making. For our health and
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