The Sweaty T-Shirt Expirment

By: Claire Lavastida and Stella Burke

What is it?

  • 1995
  • Claus Wedekind
  • Major Histocompatiblity Complex (MHC) gene
  • Research type: Animal
  • Lewis Thomas; 1974


To determine if humans could smell the MHC gene and if it actually affected their mate preference.

Steps in the Experiment


Wedekind found that overall, the women preferred the scents of T-shirts worn by men whose MHC genes were opposite of their own.


  • Many replications
Sweaty T-Shirts and Human Mate Choice