Lesson 1 Loneliness
Those who feel lonely are more likely to suffer from ailments such as frailty, heart disease, strokes and malnutrition. Loneliness causes mental and physical stress. Poor sleep also leads to less resilience. People without social contacts take less care of themselves. Lonely people are also more likely to suffer from depression, social anxiety and dementia.
Several studies have shown that loneliness increases the likelihood of numerous diseases: In addition to depression and anxiety disorders, these include heart attack, stroke, cancer, dementia.