(WOMENSENEWS)--Since two of her children were born with special needs that may be linked to environmental pollution, Melissa Wolfe has worried about flame retardants in her home. Today's release of two studies in the journal Environmental Science and Technology indicate that these chemicals are prevalent in couch upholstery and dust, and raise Wolfe's level of concern. "One of my sons is a thumb sucker, and this news makes me even more nervous about what he is putting in his mouth," says Wolfe, who lives in Brentwood, N.H., and is a board member of the New Hampshire Learning Disabilities Association. Flame...