A study from the late 1980s found higher than expected reported rates of skin, eye, nose and throat irritation and earaches, dizziness and fatigue.

In spite of the warnings, health officials noted a jump in the number of people with eye and throat irritation.

In fact, indoor pollution because of tobacco smoke used to be a common cause of throat irritation.

Health effects include liver damage, kidney damage, heart damage, eye and throat irritation.

Health effects include eye, nose, and throat irritation; headaches, loss of coordination, nausea; damage to liver, kidney, and central nervous system.