Men who wear boxer shorts produce higher quality semen, study finds, The Independent

By A Mystery Man Writer

It's the largest study to examine the relationship between underwear choice and sperm quality

Which Underwear Is Best for Sperm Count? Study Offers New Answer

Boxers or briefs? Choice could affect a man's sperm count, study says

Boxers or Briefs? Study on Sperm Counts Determines the Healthiest Choice

Can Your Choice of Boxer Briefs Affect Your Chances of Becoming a Dad?, by textilemarkeet

Wearing boxer shorts boosts sperm count, scientists say, Men's health

The Boxers-Versus-Briefs Debate Is Over: Boxers Are Healthier

Loose underwear may be good for sperm production - Dynamite News

PDF) Influence of Lifestyle and Environmental Factors on Semen Quality in Ghanaian Men

Underwear - Wikipedia