This video discusses the mental health crisis, suggesting it's worsening due to the mismatch between our evolved brains and the modern world's technological advancements. The speaker explores how technology, particularly social media and dating apps, impacts our dopamine levels and sense of identity, potentially contributing to mental health issues. The video also examines the interplay between genetics and environment in developing and managing mental illnesses, and offers insights into differentiating between sadness and clinical depression.