Sex Basics & Sexual Education
Clear, medically accurate answers to fundamental questions about sex, intimacy, and the human body.
All articles in this topic
8 evidence-based guides, cited from medical and research sources.
A clear, educational explanation of sex, what it means, how it works, and what biology and psychology say about human sexuality.
Beyond reproduction, why do humans have sex? Science explores the biological, psychological, and social reasons.
What are the proven health benefits of sex? Research-backed guide covering physical, mental, and relationship health.
How often do most couples have sex? Research on normal sex frequency, what affects it, and why comparison isn't helpful.
What is foreplay, what counts as foreplay, and why is it important for sexual satisfaction? A science-backed guide.
How long does the average sexual encounter last? Research data on duration, what affects it, and why it matters less than you think.
What is non-penetrative sex? A complete guide to forms of intimacy that don't involve penetration, and their benefits.
Why sexual communication matters and how to talk openly with a partner. Evidence-based guidance for healthier intimacy.