Many articles related to medicines: 1) Acetazolamide vs placebo on duration of invasive mechanical ventilation in patients With COPD; 2) Benzodiazepine use and risk of incident dementia or cognitive decline: study; 3) Maternal pharmacokinetics and fetal disposition of Citalopram during mouse pregnancy; 4) Prenatal and infant paracetamol exposure and development of asthma, study; 5) Low dose iron treatments induce a DNA damager response in human endothelial cells within minutes. For these reason we repeat thw theme of the logo and the editoria Nº 54 (November 2007). . There are many others interesting news. Until next number. JCP