If you vape, someone you love vapes, or you're considering vaping to quit smoking, you need to understand what the latest research says about nicotine and your mental health. The conversation has moved beyond "is vaping safer than smoking?" — we now have specific data showing how nicotine interacts with depression, anxiety, and brain chemistry.

This article examines eight peer-reviewed studies and national surveys published between 2024-2026, covering over 100,000 participants across multiple countries. We'll break down what the evidence says, what it doesn't say, and what you can do with this information.

For adults using vaping as a harm reduction tool to quit combustible cigarettes, this information isn't meant to scare you away from a potentially life-saving switch. It's meant to give you the full picture — including the mental health dimension that often gets overlooked. If you're interested in how vaping compares to smoking on cardiovascular health specifically, see our VapeScan heart health analysis.