Inhaling formaldehyde in the air can cause both short-term irritant effects and
long-term health effects, such as cancer. The potential effect formaldehyde
can have on your health depends on the amount you are exposed to, the
length of time you are exposed, and your individual sensitivity. Certain people
may react differently to the same formaldehyde exposure. People with eye,
skin, respiratory, or allergic conditions, and those with asthma, are potentially
more susceptible to the irritant effects of formaldehyde. Children and the
elderly may be more sensitive as well.