Environmental systematic review experts have published a new study finding “sufficient evidence of toxicity” connecting formaldehyde exposure to asthma in children and adults -- a signal that EPA researchers could reach a similar conclusion when they update a long-pending assessment of formaldehyde that previously focused on cancer risks. The new study was published online March 31 by the journal PLOS ONE , and authored by researchers affiliated with the University of California San Francisco’s Program on Reproductive Health and the..