Author

Brian McFarland Page 4

Brian McFarland is a staff writer at Biology Insights covering sexual health. He previously developed community health education materials after working as a college peer educator, holds a BS in public health from University at Albany, and develops black-and-white film in a converted bathroom darkroom.

How Does the Penis Grow and When Does It Stop?Reproductive
Are Women as Strong as Men? The Real Strength Gap Fitness
When Do Males Fully Mature? The Science Explained Zoology
Does Sperm Have Protein & How Much Is In It?Reproductive
Why You Fart When You Pee: A Biological Explanation Gut & Kidney
What Is Cum? The Biology of Semen Explained Reproductive
Why Do We Have Hair in Our Butts?Skin & Hair
Where Are Your Ovaries in Relation to Your Belly Button?Reproductive
At What Age Do Women Fully Mature? The Science Biology
How to Tell If Someone Is a Predator: Warning Signs Mental Health
How Many Holes Do Girls Have? 3 Openings Explained Reproductive
Why Do You Start Shaking When You’re Aroused?Reproductive
What Are the Physical Differences Between Male and Female?Zoology
Why Men Want More Sex Than Women: Biology vs. Culture Reproductive
Ritualistic Cannibalism: The History, Beliefs, and Dangers Healthcare
Animal and Human Sex: A Biological Comparison Zoology
Do Females Poop? The Biological Facts Behind the Myth Gut & Kidney
What Are Male Nipples Used For, and Why Do Men Have Them?Zoology
Why Do Men Like Boobs: Nature, Evolution, and Culture Reproductive
Are We All Female in the Womb?Biology
At What Age Can You Start Producing Sperm?Reproductive
Why Do Girls Like Sex? The Science of Female Desire Reproductive
What Does Being Anal Mean? Traits, Causes & Effects Mental Health
Why Are Women More Emotional? What Science Shows Mental Health
What Age Do Girls Start Masturbating: What’s Normal Reproductive
How Many Units of Blood Are in the Human Body?Biology
How to Explain Sex to a 10-Year-Old: Tips for Parents Kids
What Are the Main Functions of the Vagina?Reproductive
What Does the Inside of a Penis Look Like?Reproductive
When Does Penis Growth Stop? Puberty Timelines Explained Reproductive