11. The Roots of Mental Illness

The underlying causes of mental illnesses such as depression and schizophrenia remain deeply mysterious. Though genetics, brain chemistry, and environmental factors all play roles, the precise mechanisms are still not fully understood. Why do some individuals develop severe mental health conditions while others with similar backgrounds do not? According to the National Institute of Mental Health, unraveling these complexities is one of the most pressing challenges in neuroscience and psychiatry today.