From Dr. Sasha Hamdani, board-certified psychiatrist and one of the most trusted voices in digital mental health, comes a groundbreaking exploration of an overlooked and frequently misunderstood phenomenon: emotional sensitivity.

TOO SENSITIVE:
Understanding Rejection Sensitive Disorder and Building Emotional Resilience
by Dr. Sasha Hamdani
Flatiron Books, October 2026
(via Kaplan/DeFiore Rights)

Too much. Too emotional. Too sensitive. These are the labels often applied to people whose reactions to everyday moments―a late reply, a last-minute meeting invite, a subtle shift in tone―feel immediate and overwhelming. What begins as a small uncertainty can spiral into shame, self-doubt, and withdrawal. The reaction may seem disproportionate from the outside, but the distress is deeply real.

But what if this is not a personality flaw, but biology?

For Dr. Hamdani, that question was both clinical and personal. Despite professional success and outward confidence, she struggled privately with intense emotional sensitivity. In her work, she repeatedly saw capable, accomplished individuals undone by powerful waves of perceived rejection and self-criticism. In Too Sensitive, she offers the framework she once needed herself. Emotional sensitivity is not weakness. It reflects a highly responsive nervous system shaped by identifiable neurobiological processes.

Blending psychiatry, neuroscience, and lived experience, Dr. Hamdani delivers a rigorous yet accessible examination of rejection sensitive dysphoria and emotional reactivity. She introduces the first evidence-based assessment tool designed specifically to identify patterns of rejection sensitivity, giving readers language and clarity for experiences that often go unnamed. She then explains how dopamine dysregulation, limbic overactivation, and stress-system sensitivity can intensify perceived rejection. Rather than pathologizing sensitivity, she reframes it as both a neurological vulnerability and a powerful form of emotional attunement.

Most importantly, she provides practical, research-informed tools to help readers regulate emotional surges, interrupt spirals in real time, and build resilience in relationships, work, and identity. Insightful and validating, Too Sensitive challenges the narrative that equates sensitivity with fragility and instead positions emotional depth as a strength that can be understood, managed, and harnessed for growth.

Sasha Hamdani, MD, is a board-certified psychiatrist specializing in ADHD, RSD, and emotional regulation. As the creator of FocusGenie and the author of Self-Care for People with ADHD (part of a series published by Adams Media in 2023), she has become a leading voice in mental health. Honored with the CHADD Early Career Influencer Award and invited to the inaugural White House Creator Mental Health Summit, Dr. Hamdani also reaches over 2 million followers across social media, regularly delivering educational content and speaking at major conferences. She has been featured in a TEDx talk on focus and has appeared in The Washington Post, The New York Times, The Wall Street Journal, Forbes, and Vogue, on CNBC and TODAY, and on podcasts including Podcrushed with Penn Badgley, The Squeeze, Financial Feminist, Reese Witherspoon’s Brightside Podcast, and Berner Phone. She also is called upon for speaking engagements with medical and social organizations.