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Skin melanin and sexual aggression

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A new Aggressive Behavior study has examined alcohol's "in the moment" effects on sexual aggression, or the acute effects of alcohol on men's decisions about how to respond to sexual refusals in a dating simulation. In the study, 62 men in their 20s were randomly assigned to consume alcohol target breath alcohol level 0. Participants were encouraged to talk to a simulated woman as if they were on a date, and they made choices from a list which included nonsexual and sexual options. The female agent was programmed to engage in some sexual activities but refuse others, and her refusals became more intense if participants persisted. As predicted, participants' self-reported desire to have sex was positively associated with choosing activities in which the woman willingly engaged.
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Frances Cress Welsing: Melanin Theory

Skin melanin and sexual aggression
Skin melanin and sexual aggression
Skin melanin and sexual aggression
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Frances Cress Welsing: Melanin Theory - Black History Month

This review presents a general view of all types of melanin in all types of organisms. Melanin is frequently considered just an animal cutaneous pigment and is treated separately from similar fungal or bacterial pigments. Similarities concerning the phenol precursors and common patterns in the formation routes are discussed. All melanins are formed in a first enzymatically-controlled phase, generally a phenolase, and a second phase characterized by an uncontrolled polymerization of the oxidized intermediates. In that second phase, quinones derived from phenol oxidation play a crucial role. Concerning functions, all melanins show a common feature, a protective role, but they are not merely photoprotective pigments against UV sunlight. In pathogenic microorganisms, melanization becomes a virulence factor since melanin protects microbial cells from defense mechanisms in the infected host.
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Melanin theory

Melanin is a natural pigment that gives your skin its color. It's produced in cells called melanocytes. Mayo Clinic does not endorse companies or products. Advertising revenue supports our not-for-profit mission. Any use of this site constitutes your agreement to the Terms and Conditions and Privacy Policy linked below.
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In this paper we review the mechanisms through which carotenoid coloration could provide a sexually selected cue to condition in species with elaborate color vision. Skin carotenoid pigmentation induced by fruit and vegetable consumption may provide a similar cue to health in humans particularly light-skinned Asians and Caucasians. Evidence demonstrates that carotenoid-based skin coloration enhances apparent health, and that dietary change can perceptibly impact skin color within weeks.
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