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Sexual Attractiveness, What Role Do Hormones Play? - Dr. Heward (VIDEO)

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More Videos from Dr. Christopher B. Heward 24 videos in this series

Sexual Attractiveness, What Role Do Hormones Play? - Dr. Heward (VIDEO)
Sexual Attractiveness, What Role Do Hormones Play? - Dr. Heward (VIDEO)
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Dr. Heward explains the role hormones play in sexual attractiveness.

Dr. Heward:
Sexual attractiveness is probably the key element in evolutionary biology. You can sum up the evolution and the mechanisms that drives evolution not as survival of the fittest, but survival of those things that reproduce. I mean fitness, evolutionarily speaking, is defined in terms of reproduction. Those things that reproduce better, we get more of.

So imagine all those guys in our evolutionary history that were attracted to post-menopausal women. Where do you suppose their offspring are? Where are they? There aren’t any. Why? Because they’re post-menopausal. So we are evolutionarily geared to be attracted to pre-menopausal women, young, fertile women.

What is the characteristic that segregates the population of women who are young and fertile versus post-menopausal? The presence of estrogen and the impact of that estrogen on their bodies in ways that we don’t even know and understand and yet, you and I can see by just looking at a woman who is enjoying the benefits of estrogen and comparing that person to a woman who is estrogen-deprived. We can tell the difference, and the woman without estrogen is absolutely not as attractive, and for good reasons biologically.

About Dr. Heward, Ph.D.:
Dr. Christopher B. Heward is past-President of Kronos Science Laboratory. His primary responsibility was providing scientific and technical leadership for all laboratory activities. He oversaw the development and implementation of the clinical laboratory testing program; assisted in designing and refining both internally and externally sponsored clinical studies; directed and coordinated diagnostic product research and development; administered laboratory and patient databases; was principal investigator for the Kronos Longitudinal Aging Study (KLAS); and communicated Kronos’ discoveries and advances to lay and scientific audiences via presentations and publications. Dr. Heward’s research interests included healthy aging, endocrinology, oxidative stress, Alzheimer’s disease, prion disease (TSE) and menopause. Dr. Heward attended the University of Arizona and received a Bachelor of Arts degrees from both the Department of Psychology and the Department of Chemistry, as well as a Bachelor of Science degree from the Department of Biology. He earned his PhD from the Department of Biology in 1981.

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