inhale

"It was like something was blocking his chest. The doctor told us he had inhaled too much smoke. A couple of days later, he passed away."

The participants in the study still had elevated natural killer cells in their body two weeks after inhaling the smell.

After months of worsening symptoms, Chesson was diagnosed with a traumatic brain injury and permanent damage to her peripheral nervous system caused by the fumes she inhaled.

Melo said he takes measures to prevent workers from absorbing or inhaling toxic chemicals.

"The building was designed with sealed windows. The facility and building managers also inhaled smoke and passed out during the incident leaving no incident manager or safety warden in charge," the statement added.