Rosacea (roe-ZAY-she-uh) is a common skin condition that causes redness and visible blood vessels in your face. It may also produce small, red, pus-filled bumps. These signs and symptoms may flare up for a period of weeks to months and then diminish for a while.
1 Publication biasâthe practice of selectively publishing trial results that serve an agendaârepresents a systematic flaw of the scientific basis of medicine.  Bias includes publishing positive results but not the negative ones, not publishing retractions of fraudulent studies, and funding bias.
Bias (Systematic Error): Any process or effect at any stage of a study from its design to its execution to the application of information from the study, that produces results or conclusions that differ systematically from the truth.