In 2021, dermatologist David Ozog was on holiday with his family in the Bahamas, when his 18-year-old son had a massive stroke. The teenager was airlifted to Florida, and then to Chicago for surgery.

Using methods such as brain scans and symptom tracking, scientists are beginning to study whether a complex psychedelic brew known as ayahuasca can help rewire the brain's response to trauma. When you ...

When people trust science, they can make better decisions, follow helpful rules and work together on big problems like health, climate change and new technology. But if people stop trusting science, ...