Ososayensi abavela e-United States bathola ukuthi abesifazane abangama-30 abangenakho ukuntuleka kocansi, babheke iminyaka engu-5-7 omncane kunontanga. Futhi kunezincazelo ezimbalwa.
Okokuqala, ucansi luwukuvivinya umzimba okuhle. Isebenzisa ukujikeleza kwegazi, kuthuthukisa ukulethwa kwezicubu ngo-oxygen kanye nezakhi zomzimba, kusiza ukunciphisa ama-madiments kanye nemisipha ukuhlala ngethoni. Futhi uma owesifazane evivinya i-orgasm, khona-ke ukuphuma kwama-endorphins kwenza umphumela umane umangale. Ngibonga yena, imibimbi ibushelwe, futhi ibala liba lisha.
Ucansi lwasesihlwitha kusihlwa ukulala okuqinile okunempilo, okuwumphumela omuhle kakhulu emzimbeni nasenhlalakahleni. Ama-Trewes asekuseni, kunalokho, abhekene nenjabulo futhi anamathisele ukuzethemba. Ngibonga yena, sikulungele ukuguqula izintaba!
Labo abanomlingani waphakade bayinzuzo ekhethekile. Ukuya ocansini okungavikelekile, lapho isidoda singena khona ulwelwesi lwama-mucous (kufaka phakathi ubulili bomlomo), kuvumela owesifazane ukuba athole indlala. Lezi zinto ziqeda izimpawu zokuguga kokuguga kusuka ngaphakathi nangaphandle.