I'm a hair health expert, and I want men to stop blaming their fathers for thinning hair. Genetics is only half the story.

Courtesy of Giorgos Tsetis

• In my 20s, I was a model and started to lose my hair; I blamed my dad's genetics.
• I started taking medication to slow my hair thinning, which had bad side effects. 
• I eventually learned stress and overall health are big factors in hair loss.

I often think about my father's impact on my life — from cultivating an adventurous mindset and...