Homosexuality: It's about survival – not sex | James O'Keefe | TEDxTallaght

This passionate talk from Dr. James O’Keefe MD gives us a deeply personal and fascinating insight into why homosexuality is indeed a necessary and extraordinarily useful cog in nature’s wheel of perfection.

James H O’Keefe MD, is a Board Certified Cardiologist and Director of both the Charles & Barbara Duboc Cardio Health & Wellness Center and the Preventive Cardiology service at Saint Luke’s Mid America Heart Institute. He is also Professor of Medicine at the University of Missouri-Kansas City. His postgraduate training included a cardiology fellowship at Mayo Clinic in Rochester, Minnesota. Dr O’Keefe is board-certified in Cardiology, Internal Medicine, Nuclear Cardiology, and Cardiac CT Imaging. He is consistently ranked among the ‘Top Doctor’ lists regionally and nationally as one of America’s Top Rated Physicians in Cardiology. He has been named as one of USA Today’s Most Influential Doctors. Dr O’Keefe has contributed more than 300 articles to the medical literature and has authored best-selling cardiovascular books for health professionals including: The Complete Guide to ECGs (which is used for Cardiology Board Certification), Dyslipidemia Essentials, and Diabetes Essential.

This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at

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25 thoughts on “Homosexuality: It's about survival – not sex | James O'Keefe | TEDxTallaght

  1. We are not compelled to help evolution by trying to survive and leave offspring. As far as anyone knows, evolution has no predetermined objectives. Nor do we.

  2. I really wonder if he still would be that chill about his son's coming out in case of the son being his only child.

  3. In a prehistoric hunter-gatherer community having a few extra adults available provides a food surplus and also provides additional coverage to raise orphans in a high death rate environment.

  4. I do not see homosexuality as an evolutionary advantage, on the contrary, our only purpose as a living creature is to have offsprings and die. What I see is only a mutation like many other animals suffer. This from a biological point of view, now in this time it is not necessary to see reproduction how a necessity to survive ( within a few years it won't be necessary to have a biological father or mother, probably it will be a machine that we call mommy ) so talking about genders will become obsolete, fortunately.

  5. This sounds alot like pseudo science, and a father struggling to rationalize not a genetic condition, but a social virus of deteriorating gender roles and identity. To know thy self is a life long venture. I think that little jimmy and many others like him drank the koolaid of normalization at an age of vulnerability. How much did you know about yourself when you were 18? I cant help but think that the socially appropriate narrative poisons the well , and the endeavour of getting to know yourself gets tougher and more inaccessible everyday.

  6. While I applaud the man's attitude towards homosexuality, I do have a problem with the pseudoscience he uses to explain why it exists. Evolution doesn't work that way. Evolution doesn't actively apply genetic mutations that are beneficial. Genetic mutations are random, and those that prove to be beneficial give the individuals with said mutation a leg up, which results in higher survival rates. These mutations then have a higher chance of being passed on to the offspring, resulting in these mutations becoming more common and eventually becoming the norm. It's therefore hard to see how the genes that result in homosexuality get passed on, since homosexuals fail to produce offspring, and thus fail to spread said gene expressions.

  7. Well I respect everyone's decision since were we created with a free will, but I don't support Homosexuality in anyway I believe that you can change your mindset and be just normal. I apologize to anyone who will feel offended.

  8. The documented history of Tallaght dates back to early Christian Ireland but the many archaeological sites in the area suggest the presence of Bronze Age and perhaps even earlier settlers in the area. The place name Tallaght is derived from the words támh leacht, meaning a plague burial place.

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