As the years progressed it became evident that Mark was severely disabled. And it was later discovered that the power and solvent Yvette was working around were, lead dust, methanol, and lead fumes. Mark, now 43 is severely mentally disabled and can not go out unaccompanied. His mother Yvette is his primary caregiver and every day she wonders who will care for Mark when she no longer can.

Darryl's mother was working in the electronics industry when she was pregnant. Her job was to clean electronics components with solvents such as methyl ethyl ketone and methanol. As a result of this exposure, Darryl was born with microcephaly. More specifically, the chemical exposures had slowed the growth of Darryl's brain and as a result, the diameter of his skull at birth was also very small.