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孤立・孤独は以前から自殺の危険因子として知られていた。感染対策で孤立を強いられたコロナ禍で自殺者数が増加に転じたことから,自殺の要因としてあらためて強調され,孤立・孤独対策が推進されている。しかし,孤立・孤独が自殺につながる理由を明確に論じる総説は少ない。本論では,孤立・孤独がなぜ自殺に大きな影響を与えるのか,心理学,社会学,脳科学の立場から説明を試み,孤立・孤独予防が自殺予防に直結することを示したい。
Abstract
Isolation and loneliness are known to be risk factors for suicide. Since the number of suicide cases increased after the COVID-19 pandemic, during which individuals were forced to isolate themselves to prevent infection, this has been re-emphasized as a factor in suicide, and measures to combat isolation and loneliness are promoted. However, few studies have discussed the reasons that isolation and loneliness lead to suicide. Here, we aim to explain the reasons that isolation and loneliness have a significant impact on suicide based on psychology, sociology, and brain science and show that the prevention of isolation and loneliness is directly related to suicide prevention.
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