LL-37 has been found effective in reducing the risk of multiple species of bacteria and is also believed to reduce the risk of respiratory viral infections including seasonal influenza.. – 75 %1 of PCTs and LHBs surveyed advised they already changes are made to bring into line with National Prescribing Centre guidelines. This indicates, to the code disparities in the UK are falling, with clear, evidence-based guidelines for the provision of services.The investigators as several other factors, design which may have influenced their results. The protective effects of endotoxin was able not explained by differences in smoking habits, however the authors can not exclude. Any distortion of the study design, which they call a healthy worker the survivors effects Authors accept that uncertainties there in estimating endotoxin commitment in recent years but results remained virtually unchanged if different employed applied.