The National Rosacea Society has updated their Research Reports page to include some comments from a study called Experimental studies in the pathogenesis of rosacea. While you are there checkout their site re-design.
http://www.rosacea.org/grants/reports.php#Zhen
Experimental studies in the pathogenesis of rosacea.
Dr. YaXian Zhen, scientific researcher, and Dr. Albert Kligman, professor of dermatology, University of Pennsylvania.
Dr. Zhen and Dr. Kligman explored similarities between acne vulgaris and rosacea. The researchers noted that in studies of more than 100 women with rosacea, about 40 percent reported having adolescent acne. Moreover, about 30 percent to 40 percent of the women who experienced acne during adolescence exhibited moderate flushing responses to common rosacea triggers.
In a further investigation of 15 female rosacea patients and five women without rosacea as controls, the researchers found that the rosacea patients had more characteristics common to acne than the control subjects. Facial oil production was about 40 percent greater; microcomedones, precursor to visible comedones (blackheads), were twice as numerous and larger in the rosacea patients than in the controls; and the density of the acne bacterium, Propionibacterium acnes, was nearly twice that of controls.
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