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Self-efficacy has been defined as one of the factors that may facilitate or impede safer sex. Studies reveal that peoples in steady relationships practice safer sex less often that those in casual relationships. We conducted a study with sexually active heterosexual adults. A self-administered questionnaire was designed to study the sexual behavior, the male condom use and the practice of mutual masturbation, and the self-efficacy toward these practices. Results show that most men are sexually active and that there is a low frequency of male condom use and the practice of mutual masturbation as safer sex. The majority of those who use the male condom are engage in casual relationships.

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Carbon sexual encounters in Nizip

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Grupe Gisela, Peters Joris. An attempt to reconstruct diets in humans and animals, the vertebrate food web, and local climatic conditions was based on the stable carbon and nitrogen isotopes in bone collagen and the carbon and oxygen isotopes in bone carbonate. Whereas the isotope signatures for various game species meet expectations in terms of their feeding and habitat preferences, the values obtained from bones considered to represent early stock-on-the-hoof reflect a dietary spectrum different from that of their wild, free-ranging relatives. In large parts of the Fertile Crescent the expansion of grasslands at the end of the Pleistocene had a profound impact on human subsistence strategies, provoking a shift toward sedentism and an increased emphasis upon cereals and herbivore species as main sources of food. Prolonged sedentism, however, necessarily goes along with modifi cations in subsistence strategies e. Bar-Yosef, Meadow ; Bar-Yosef , as illustrated by the shift from hunting to herding over the course of the Neolithic. As such, the domestication of animals represents one stage in the transformation from incipient cultural control of a taxon by hunter-gatherers to livestock husbandry in fully agricultural societies because from a functional point of view, the succession from 1 hunting to 2 cultural control of wild species, for example by keeping single or few animals to serve as walking larders, to 3 domestication, where humans begin to take control of the reproduction of animals by isolating them from their wild relatives, and fi nally 4 livestock husbandry, can be considered an evolutionary continuum involving increasing input of human energy per animal Peters et al.
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