Frédéric Gros: why going for a walk is the best way to free your mind

Some of the finest thinkers in history were also enthusiastic walkers. Philosopher Frédéric Gros tells Carole Cadwalladr why we should fall in step with Nietzsche and Kant

The Man Who Couldn’t Stop: OCD, and the True Story of a Life Lost in Thought – review

David Adam's punchy explanation of the mental torment of OCD is well-intentioned, but lacks subtlety. By Jenny Turner

Top 10 science and tech books for April: how to cook insects and can humans save the Earth?

From bug recipes to surviving the planet's predicament

Falling into the Fire review – a psychiatrist’s impressive study of mental health

Christine Montross helps to demystify madness with her insightful, case-based account of the ethics of psychiatry, writes Stephanie Merritt

Wounded: The Long Journey Home from the Great War – review

Emily Mayhew's Wellcome prize-shortlisted book is a sensitive account of medical treatment on the western front, writes Victoria Segal

Sex and the Citadel by Shereen El Feki – review

A brave book from the former vice-chair of the UN's Global Commission on HIV and the Law about sexual rights in Arab society, writes Victoria Segal

Five Days at Memorial by Sheri Fink – review

Sheri Fink's account of events at a New Orleans hospital post-Katrina asks vital questions about the American healthcare system, writes Peter Beaumont

The History of the Kiss! The Birth of Popular Culture by Marcel Danesi – review

An illuminating look at why kissing is such a powerful act, writes PD Smith

Mindwise by Nicholas Epley – review

You think you know what your friends or colleagues make of you? Wrong! How should we think about the minds of others? By Steven Rose

Smarter: The New Science of Building Brain Power by Dan Hurley – review

Dan Hurley's investigation of the intelligence training market is entertaining if inconclusive, writes Ben East