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.
Research bias, also called experimenter bias, is a process where the scientists performing the research influence the results, in order to portray a certain outcome.