Rosy Glow

Rosy Glow
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Erectile dysfunction may be an early warning sign for heart disease.

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The second thing researchers found, in trying to understand what makes some people’s faces more attractive than others, is that in addition to finding men and women prefer a tint of yellow in Caucasian faces, to enhance healthy appearance people also increased skin redness – the proverbial “rosy glow” in both men and women.

This makes sense evolutionarily. Increased skin vascularization increases skin pinkness, and is associated with increased physical fitness—but is impaired in patients with type 2 diabetes, and hypertension. Increased blood oxygenation, associated with increased aerobic fitness, increases blood redness. Skin blood deoxygenation is associated with cardiac and respiratory illness, and causes a dull, blue tint to the skin. And so, it makes sense that we should prefer mates with a rosy glow.

This may explain why we lost the bone in our penis. “There are certain genetic diseases that affect 100% of the human population,”…and one…”extending to 100% of human males, is the congenital lack of a baculum” (or penile bone). Whereas most mammals and most other primates have a bone in their penis, including all the old world primates, and all the great apes, including our ancestors; but over the last six or seven million years, we lost it—maybe, thinks evolutionary biologist Richard Dawkins, due to sexual selection by females looking for an honest advertisement of good health in prospective mates. Since “human males lack this bone, and must rely solely on fluid hydraulics to maintain erections,” erection failure is a sensitive early warning of cardiovascular disease.

“It is not implausible that, with natural selection refining their diagnostic skills, females could glean all sorts of clues about a male’s health, and the robustness of his ability to cope with stress, from the tone and bearing of his penis.” Without a bone, “…then only genuinely healthy or strong males could present a really stiff erection, and the females could make an unobstructed diagnosis.”

Yet another reason to eat a heart-healthy diet.

To see any graphs, charts, graphics, images, and quotes to which Dr. Greger may be referring, watch the above video. This is just an approximation of the audio contributed by Dianne Moore.

Please consider volunteering to help out on the site.

Image thanks to CarbonNYC via Flickr

The second thing researchers found, in trying to understand what makes some people’s faces more attractive than others, is that in addition to finding men and women prefer a tint of yellow in Caucasian faces, to enhance healthy appearance people also increased skin redness – the proverbial “rosy glow” in both men and women.

This makes sense evolutionarily. Increased skin vascularization increases skin pinkness, and is associated with increased physical fitness—but is impaired in patients with type 2 diabetes, and hypertension. Increased blood oxygenation, associated with increased aerobic fitness, increases blood redness. Skin blood deoxygenation is associated with cardiac and respiratory illness, and causes a dull, blue tint to the skin. And so, it makes sense that we should prefer mates with a rosy glow.

This may explain why we lost the bone in our penis. “There are certain genetic diseases that affect 100% of the human population,”…and one…”extending to 100% of human males, is the congenital lack of a baculum” (or penile bone). Whereas most mammals and most other primates have a bone in their penis, including all the old world primates, and all the great apes, including our ancestors; but over the last six or seven million years, we lost it—maybe, thinks evolutionary biologist Richard Dawkins, due to sexual selection by females looking for an honest advertisement of good health in prospective mates. Since “human males lack this bone, and must rely solely on fluid hydraulics to maintain erections,” erection failure is a sensitive early warning of cardiovascular disease.

“It is not implausible that, with natural selection refining their diagnostic skills, females could glean all sorts of clues about a male’s health, and the robustness of his ability to cope with stress, from the tone and bearing of his penis.” Without a bone, “…then only genuinely healthy or strong males could present a really stiff erection, and the females could make an unobstructed diagnosis.”

Yet another reason to eat a heart-healthy diet.

To see any graphs, charts, graphics, images, and quotes to which Dr. Greger may be referring, watch the above video. This is just an approximation of the audio contributed by Dianne Moore.

Please consider volunteering to help out on the site.

Image thanks to CarbonNYC via Flickr

Doctor's Note

For more videos on erectile dysfunction, see:
Survival of the Firmest: Erectile Dysfunction and Death
Watermelon as Treatment for Erectile Dysfunction
Pistachio Nuts for Erectile Dysfunction
BPA Plastic and Male Sexual Dysfunction
50 Shades of Greens

Be sure to check out my corresponding blog post, Pills vs diet for erectile dysfunction, as well as my next video: Chicken Consumption and the Feminization of Male Genitalia

For more context, also check out my associated blog posts: Atkins Diet and Erectile DysfunctionWatermelon for Erectile DysfunctionThe Anti-Wrinkle DietTreating Sensitive Skin From the Inside Out; and Diet and Cellulite.

If you haven’t yet, you can subscribe to my videos for free by clicking here.

12 responses to “Rosy Glow

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    1. I was looking for information on Roascea when I came across this video. While good info and entertaining, I am really looking for information on diet/lifestyle and Rosacea.

      Since it is identified that “Rosacea is considered an incurable auto-inflammatory skin condition with periodic ups and downs” i thought it fit right in with the other information that you present on other “incurable” conditions. (Having watch 100+ hours of your videos while pacing in my living room)

      If I continue a heart healthy plant based diet (Following the middle ground between you and Dr Esselstyn) is there enough research data that would support that this lifestyle will reduce the symptoms of Rosacea?

      If it is beneficial for me and my 16 million friends with Rosacea, could you do a video on that?




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      1. Hi Andy! I am a volunteer for NutritionFacts and a nutrition student. However, I also have worked for a dermatologist for the last 3 years and see rosacea on a weekly basis. My employer is also plant-based, but for rosacea he recommends staying away from 3 things: caffeine, theobromine, and nicotine. We know what contains caffeine and nicotine, but theobromine is less widely known. Theobromine is in chocolate and tea, so avoiding those things can help with rosacea. Also, spicy foods, which you probably already know. I don’t know much about plant-based diets and rosacea, but I wouldn’t be surprised if they helped with all the anti-inflammatory effects! Hope this helps! :)




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      2. Yes dear NF people (colleagues actually),
        Please please please more info on how to deal with rosacea in a vegan diet
        I can’t eat mock meat or anything else, cos almost everything vegan is spiced




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  1. The only thing I don’t like here is the reference to Dawkins and evolution. Have you ever noticed that Darwinists (not referring to Dr. Greger here) continually foist this speculative theory on us as if it were a fact, yet no one (not even Dawkins) has ever adduced a single empirical proof for macro-evolution. There is not a shred of empirical proof for macro-evolution, though the proponents have been forth-telling it as truth since we were kids. Again… There is not a shred of empirical proof that men evolved from monkeys or apes.

    There are only three possible explanations for the origin of species (or anything, for that matter): Divine intervention (teleology), pantheism (somehow Nature has the miraculous ability to create design and innovation contrary to the 2nd Law of Thermodynamics, entropy), or … Darwin. Darwinism is a humanist religion that attempts to explain origins without referring to the supernatural. But it has not a shred of proof to support it.




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    1. drcobalt: I am a volunteer moderator for this site. Please note: This is not a religious site. This is a site about science. Evolution is about as close to scientific fact as one can get on a subject like that. We will not be debating evolution here. If references to evolution do not sit well with you, just ignore them.

      Further comments on the topic will likely be deleted. This website has been derailed before on the religious perspective of evolution, and it benefits no one. Please stick to nutrition when you comment on this site.




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