Adolf Hitler most likely suffered from the genetic condition Kallmann Syndrome that can manifest itself in undescended testicles and a micropenis, researchers and documentary makers said Thursday, following DNA testing of the Nazi dictator's blood.

( JTA) — Adolf Hitler had a sexual disorder that made it more likely for him to have a micro-penis, according to the first-ever analysis of his DNA. He also did not have the Jewish ancestors that some have claimed he had. See our full guidelines for more information, and this guide for detail about canonical URLs.

A rare DNA analysis has raised fresh claims about Adolf Hitler’s medical history, suggesting the Nazi dictator likely suffered from Kallmann syndrome, a rare genetic condition that can delay puberty and affect sexual development.

Analysis of Adolf Hitler’s DNA reveals he may have had a rare genetic disorder that delays puberty, a new documentary says. Experts say that more details are needed.