Groundbreaking DNA analysis of Adolf Hitler's blood has uncovered some extraordinary findings about the dictator's ancestry and possible health conditions.

Painstaking scientific testing by a team of international experts has managed to debunk a rumour regarding whether Hitler had Jewish ancestry (he didn't) and determine he had a genetic disorder that affects the development of sexual organs—all from an old blood-stained swatch of fabric.

While attention-grabbing headlines have focused on whether the Nazi dictator had a micropenis and only one testicle, the findings also indicate that his DNA showed very high scores for a predisposition to autism, schizophrenia, and bipolar disorder.

Experts clarify that these findings do not equate to a diagnosis of these conditions but rather raise concerns regarding stigmatization and the ethics of such research, prompting questions on whether it should have been undertaken at all.

I agonized over it, says Prof Turi King in the recent Channel 4 documentary Hitler's DNA: Blueprint of a Dictator. She acknowledges the potential implications of studying Hitler’s DNA, aiming to ensure that the research is conducted with academic rigor and appropriate oversight.

The DNA extracted from a blood-soaked fabric from Hitler's bunker in his final days was cross-referenced with DNA from his relatives, confirming its authenticity. The scientists also noted that along with the absence of Jewish ancestry, Hitler had Kallmann syndrome, which is linked with developmental issues and can affect libido.

Despite the intriguing discoveries, the documentary faces backlash from some geneticists who assert that conclusions drawn about Hitler's mental health deserve caution, as character is shaped by a multitude of factors beyond genetics.

The discussions raised by this research touch on broader themes of historical understanding and the responsibilities researchers hold when analyzing figures who have caused immense suffering.

There is divided opinion on whether the study should have been performed at all, with some historians arguing it oversimplifies the complexities of Hitler's actions and strips away significant lessons from history regarding the nature of evil.

With the results now being peer-reviewed, experts urge that future discussions around them must remain nuanced, considering the broader historical implications and avoiding reductionist conclusions.