Parasites and Entrepreneur 

A wild paper suggesting that perhaps a notable amount of entrepreneurs may also be affected by the parasite Toxoplasma gondii.

“…a common parasite, Toxoplasma gondii (TG), known for its behavioral manipulation of warm-blooded animals, can impact human behavior including possibly in relation to entrepreneurship.”

Nothing Ventured, Nothing Gained: Parasite Infection is Associated with Entrepreneurial Initiation, Engagement, and Performance
by Daniel A. Lerner, Lars Alkærsig, Markus A. Fitza, Carina Lomberg, and Stefanie K. Johnson.