Link between Tylenol and Asthma based on retrospective study

general-medicine.jwatch.org — The recent news linking Tylenol to asthma was based on a retrospective study. That means they asked people years later if they gave their children Tylenol. Although this may be a good way to look for research projects, it certainly no major cause for worry by parents, as this editorial states. Sep 28, 2008 View in Crawl 4