Discussion regarding health-based guidance value of PFOA The European Food Safety Authority (EFSA) has published a provisional health-based guidance value for perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA).
Every year, 300,000 tick bites in urban areas One in 5 tick bites occurs in an urban area. Although most tick bites occur in the countryside, many people are bitten in urban areas as well.