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Spending time in nature and engaging in outdoor activities are associated with better mental wellbeing among young people, according to the results of the School Health Promotion Study. Mental wellbeing was highest among adolescents who spent time in nature on a daily basis.

THL will renew its entire thl.fi online service in spring 2026. All content on the site will be updated to better meet customers’ information needs and the organisation’s strategic objectives. At the same time, the current website will be discontinued. The exact publication date will be announced later.