La théorie du manque de sérotonine est en train d’être complexifiée (voir… debunked)

Surprisingly, it’s likely inflammation. Undoubtedly, you’ve heard of inflammation. It’s what protects the body from infection. Immune cells called cytokines detect an injury or infection and sound an alarm. The alarm summons other immune cells to the site, and their influx cases the inflammation that we recognize as redness and swelling of superficial wounds. However, all parts of the body can inflame, even the brain. And when the brain inflames, it causes sickness behavior that makes us feel exhausted, antisocial and depressed. Sick at home. Alone in bed. Binge-watching Netflix. Sound familiar? Although no one likes being sick, these behaviors are quite prosocial because they isolate us from others and prevent the spread of infection. It’s the brain’s version of social distancing and a small price to pay for protecting others.