Zit-face? Why some peo­ple get zits and oth­ers don't

Wellness Update - - Zit-Face? -

The bac­te­ria that cause acne live on ev­ery­one's skin, yet one in five peo­ple is lucky enough to de­velop only an oc­ca­sional pim­ple over a life­time. What's their se­cret? In a boon for teenagers every­where, a UCLA study con­ducted with re­searchers at Wash­ing­ton Univer­sity in St. Louis and the Los An­ge­les Bio­med­i­cal Re­search In­sti­tute has dis­cov­ered that acne bac­te­ria con­tain "bad" strains as­so­ci­ated with pim­ples and "good" strains that may pro­tect the skin. The find­ings, pub­lished in the Feb. 28 edi­tion of the Jour­nal of In­ves­tiga­tive Der­ma­tol­ogy, could lead to a myr­iad of new ther­a­pies to pre­vent and treat the dis­fig­ur­ing skin dis­or­der. "We learned that not all acne bac­te­ria trig­ger pim­ples — one strain ac­tu­ally may help keep skin healthy," ex­plained lead author Huiy­ing Li, an as­sis­tant pro­fes­sor of molec­u­lar and med­i­cal phar­ma­col­ogy at the David Gef­fen School of Medicine at UCLA. "We hope to ap­ply our find­ings to de­velop new strate­gies that stop blem­ishes be­fore they start, and en­able der­ma­tol­o­gists to cus­tom­ize treat­ment to each pa­tient's unique cock­tail of skin bac­te­ria." The sci­en­tists looked at a tiny mi­crobe with a big name: Pro­pi­oni­bac­terium ac­nes, bac­te­ria that

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