Anatomy
The structures of arousal — what's there, where, and how it responds.
Biology & hormones
The chemistry underneath — neurotransmitters, hormones and what shifts them.
Dopamine and Sex: How Your Brain Drives Desire
Hormones and Libido: What Changes and When
Birth Control and Sex Drive: What the Evidence Shows
Sleep and Sex: How Sleep Quality Affects Your Libido
Orgasm and the Brain: What Neuroimaging Shows
Dyspareunia: Painful Sex Causes and Solutions
Pheromones and Sexual Attraction: What Science Says
Alcohol and Sex: How It Really Affects Performance
Exercise and Sex Drive: The Research
Cannabis and Sex: Effects on Arousal and Orgasm
Menstrual Cycle and Sex Drive: Week by Week
Aging and Sex: What Changes After 50
Serotonin and Sex: How Mood Affects Desire
Spontaneous Erections: Science and When to Worry
Norepinephrine and Sexual Arousal: The Chemistry of Excitement
The Refractory Period: Science and How to Shorten It
Aphrodisiacs: What Science Actually Says
Psychology & desire
The mind's role — arousal, shame, attachment, and the stories we carry.
Oxytocin and Bonding: The Science of Sexual Connection
Stress and Sex Drive: What Cortisol Does to Libido
Orgasm Disorders: Types, Causes, and Treatment Options
Pain and Pleasure: The Neuroscience Connection
Sexual Arousal Disorder: Types and Treatment
Vaginismus: What It Is and How to Treat It
Hypersexuality: What the Research Says
Sexual Trauma and Healing: A Science-Based Guide
Sexual Disgust: The Evolutionary Psychology
Sexual Orientation: What Research Shows
Sexual Boredom: Psychology and How to Overcome It
Sexual Communication: Research on What Works
Porn-Induced Erectile Dysfunction: What Research Shows
Sexual Confidence: Psychology of Self-Assurance in Bed
The Science of Attraction: What Makes Someone Sexy
Sexual Imprinting: How Early Experiences Shape Desire
Postcoital Tristesse: Why You Feel Sad After Sex
Sexual Afterglow: The Science of Post-Sex Bonding
Body Dysmorphia and Sex: How It Affects Intimacy
Sexual Addiction: Is It Real and What Helps
Kink and Psychology: Why People Are into BDSM
Sexual Shame: Origins and How to Overcome It
Orgasm Frequency: How Often Is Normal
Research findings
Peer-reviewed data on orgasm, pleasure and sexual health.
Clinical & dysfunction
Sexual dysfunction, treatment options and recommended reading.
Come As You Are by Emily Nagoski: Review
Come Together by Emily Nagoski: Review
The Science of Orgasm: Review
Women's Anatomy of Arousal by Sheri Winston: Review
Tell Me What You Want by Justin Lehmiller: Review
Better Sex Through Mindfulness by Lori Brotto: Review
The Erotic Mind by Jack Morin: Review
Magnificent Sex by Peggy Kleinplatz: Review
The Vagina Bible by Jen Gunter MD: Review
