About a third of mental disorders begin by age 14 and two-thirds by 25. A look at the largest study of mental illness onset, and why timing support matters.
Type: Article6 min
When Mental Illness Begins: The Ages That Matter Most
Oct 20, 2026
Our World in Data
Our World in Data publishes research and data on the world’s largest problems.
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Type: Article6 min
Beef Production in Brazil Has Been the Largest Driver of Global Deforestation in Recent Decades
Oct 3, 2026
Cattle pastures drove 41% of global deforestation in recent decades, and one-quarter of the total happened to make way for Brazilian beef — mostly eaten in Brazil.
Type: Article20 min
Childhood Stunting Fell Dramatically over the 20th Century
Oct 3, 2026
What can countries with high stunting rates today learn from Japan’s experience of going from 70% to 5%? A data-driven look at clean water, school lunches and better diets.
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