Pesticide use and adult-onset asthma among male farmers in the Agricultural Health Study Hoppin JA et al. - For non-allergic asthma, DDT had the strongest association but with little evidence of increasing asthma with increasing use. Current animal handling and farm activities did not confound these results. The authors saw little evidence that allergy alone was driving these associations. Pesticides may be an overlooked contributor to asthma risk among farmers. [more...]