Skin exposure to UVB light induces a skin-brain-gonad axis and sexual behavior
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Re: Skin exposure to UVB light induces a skin-brain-gonad axis and sexual behavior
#2Interesting. A possible mechanism for the legendary passion of people from "hot blooded" countries?
Re: Skin exposure to UVB light induces a skin-brain-gonad axis and sexual behavior
#3Implying that a primary causal factor for globally-declining birth rates could be... increased adoption of sunscreen, leading to decreases in libido?
(I'm only half-joking; the countries that are most obsessed with keeping skin white — and so are likely the highest sunscreen users — are also the countries with the lowest birth rates.)
Re: Skin exposure to UVB light induces a skin-brain-gonad axis and sexual behavior
#4Implying that a primary causal factor for globally-declining birth rates could be... increased adoption of sunscreen, leading to decreases in libido? (I'm only half-joking; the countries that are most obsessed with keeping skin white — and so are likely the highest sunscreen users — are also the countries with the lowest birth rates.)
> (I'm only half-joking; the countries that are most obsessed with keeping skin white — and so are likely the highest sunscreen users — are also the countries with the lowest birth rates.)
Obsession with keeping skin white is not something I normally see associated with South Korea, Singapore, or Bosnia and Herzegovina.
Re: Skin exposure to UVB light induces a skin-brain-gonad axis and sexual behavior
#5Implying that a primary causal factor for globally-declining birth rates could be... increased adoption of sunscreen, leading to decreases in libido? (I'm only half-joking; the countries that are most obsessed with keeping skin white — and so are likely the highest sunscreen users — are also the countries with the lowest birth rates.)
If that’s the case then it’d come as a relief. But I doubt it. Realistically the fact wage to housing/health/education/childcare is a bigger contributor.
Re: Skin exposure to UVB light induces a skin-brain-gonad axis and sexual behavior
#6Implying that a primary causal factor for globally-declining birth rates could be... increased adoption of sunscreen, leading to decreases in libido? (I'm only half-joking; the countries that are most obsessed with keeping skin white — and so are likely the highest sunscreen users — are also the countries with the lowest birth rates.)
> the countries that are most obsessed with keeping skin white — and so are likely the highest sunscreen users
Isn't it rather more about avoiding skin cancer?
Re: Skin exposure to UVB light induces a skin-brain-gonad axis and sexual behavior
#7Question: how does sunscreen affect these outcome ? I have been in a UV-high indexed area for over 2hrs a day under sun and wondered if applying sunscreen everyday as I have to exposed parts such as arms and legs have negative consequences since all of them have benzene. Now this seems to be another reason for not doing so?
Re: Skin exposure to UVB light induces a skin-brain-gonad axis and sexual behavior
#8One of the referenced papers [0] concerning addiction to UV light (in rodents) is fascinating as well..!
“UV light is an established carcinogen, yet evidence suggests that UV-seeking behavior has addictive features”
“Opioid blockade also elicits withdrawal signs after chronic UV exposure”
Re: Skin exposure to UVB light induces a skin-brain-gonad axis and sexual behavior
#9Question: how does sunscreen affect these outcome ? I have been in a UV-high indexed area for over 2hrs a day under sun and wondered if applying sunscreen everyday as I have to exposed parts such as arms and legs have negative consequences since all of them have benzene. Now this seems to be another reason for not doing so?
Not directly answering your question but related: "early sunscreen formulations were disastrous, shielding users from the UVB rays that cause sunburn but not the UVA rays that cause skin cancer. Even today, SPF ratings refer only to UVB rays, so many users may be absorbing far more UVA radiation than they realize."
https://www.outsideonline.com/health/wellness/sunscreen-sun-...
Re: Skin exposure to UVB light induces a skin-brain-gonad axis and sexual behavior
#10The melanotan peptide's effect on melatonin production and libido is super interesting considering this finding