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.
While these rough categories are meant to provide a baseline understanding for what kinds of publications to trust, there are still reasons a reader should be skeptical about any piece of content, because no publication is immune to journalistic failures such as hidden bias, fabrication, plagiarism, and errors.