- Investigations revealed nine identified causes of depression, two biological and seven related to life factors.

- Most causes are linked to unmet psychological needs and social factors, beyond just biology.

- Solutions lie in addressing life circumstances along with medication.

- Depression can serve as a signal of unmet needs or disconnection, not just a biological error.

- Effective relief requires societal shifts towards addressing deeper causes.

- Current culture promotes consumerism, shifting values away from meaningful experiences.

- The speaker initially believed depression was solely due to a chemical imbalance.

- Social prescribing and community connections have shown effectiveness in alleviating depression.

- Serious depression and anxiety have increased in Western countries; multiple causes exist.

- Loneliness, lack of job control, disconnection from nature, and unattainable psychological needs contribute to depression.

This could be why you're depressed or anxious | Johann Hari | TED

Visit http://TED.com to get our entire library of TED Talks, subtitles, translations, personalized Talk recommendations and more.

In a moving talk, journalist Johann Hari shares fresh insights on the causes of depression and anxiety from experts around the world -- as well as some exciting emerging solutions. "If you're depressed or anxious, you're not weak and you're not crazy -- you're a human being with unmet needs," Hari says.

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The TED Talks channel features the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes (or less). Look for talks on Technology, Entertainment and Design -- plus science, business, global issues, the arts and more. You're welcome to link to or embed these videos, forward them to others and share these ideas with people you know.

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