Hearing weakness attributed to circulation of science publication discussing potential unproven adverse effect from pesticides
article speculates that a pesticide called pyriproxyfen may be responsible for birth defects rather than the Zika virus. Pyriproxyfen is a larvicide that targets the Zika-spreading Aedes aegypti mosquito, and is produced by Sumitomo Chemical, which has a weed management collaboration in Brazil and Argentina with Monsanto