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Science Archive Links
To Lab Reports And Articles

Health risks may remain an open question, but homeowners exposed to Chinese
drywall often report similar physical ailments and symptoms including acne, asthma
attacks, bloody noses, congestion, coughing, problems, hair loss, headaches, hives,
irritated eyes, joint and muscle pain, miscarriages, nausea, nosebleeds, phlegm,
rashes, runny nose, shortness of breath, sneezing, sinus problems, sore throat,
tightness of the chest, trouble breathing and urinary tract infections after being
exposed to Chinese drywall.    Causation can be difficult to establish since there can
be many causes of the above.   Notably, many homeowners report that their
symptoms vastly improve or disappear once they have relocated or their home is

To date, there is no scientific proof that Chinese drywall causes any long-term health
effects.   According to the Centers for Disease Control and Prevention, an extended
study of the long-term effects of exposure to defective Chinese drywall is not
 Click here for story

Please seek medical attention  and contact your local health department to
report any health effects you believe may be caused by Chinese drywall.   

The first website dedicated to educating the public about Chinese drywall


On June 3, 2010, the federal Agency for Toxic Substances & Disease Registry, an
arm of the Centers for Disease Control and Prevention, released a
guide for doctors
and others dealing with questions about the tainted drywall.   Few studies exist of
people exposed to low levels of sulfur gases for long periods of time, however, the
ATSDR said that short-term exposure to sulfur gases such as carbonyl sulfide and
carbon disulfide, both of which have been found in Chinese drywall, can cause eye
irritation, sore throat, stuffy nose, cough, shortness of breath, chest pain, nausea and
headaches – symptoms that can be caused by multiple other factors, but which
resemble the complaints voiced by residents.  Longer exposures can result in fatigue,
loss of appetite, irritability, poor memory, insomnia and dizziness, according to the
agency. Older people, children and those with asthma or chronic obstructive
pulmonary disease are more likely to feel the effects of sulfur gases, the ATSDR
Chinese Drywall - A Health-based Perspective

Barbara Manis, MD, Chief Medical Officer, Building Health Sciences, attended the HB
Chinese Drywall Litigation Conference on June 18, 2009, in New Orleans, LA.  Her
discussion addressed the reported and potential health effects associated with the
emissions thus far identified from imported drywall.  

Concern over the potential health effects which may be associated with Chinese
Drywall is further tempered by the possibility that there may be other, as yet
unidentified, substances in the drywall or other building materials in these homes which
are acting as potentiators making the low levels of sulfur more reactive with copper in
the air conditioner coils.  Science and research are in their early stages and,
therefore, it is impossible to determine if health effects.  
Click here for Presentation.
Trigeminal nerve may explain the health problems homeowners
have been experiencing

The issue of the potential health effects of Chinese drywall was at the center of many
discussions, with government and most private consultants saying that more studies
were needed -- though so far testing has not found levels of individual chemicals
considered "toxic."

Lynn Wilder, a scientist with the Centers for Disease Control and Prevention's Agency
for Toxic Substances and Disease Registry, said she believed it would be fruitful for
studies to examine what are known as "additive" effects of the sulfur compounds
coming from the drywall.         In other words, Wilder said, there could be low levels
of each individual chemical, but "all of them combined might pose a problem." . . .
Robert DeMott, a toxicologist with Environ, a consulting firm working for builders
including Lennar Corp. and Taylor Morrison, also said the mixtures of gases may
lead to higher overall concentrations, as "multiple sulfur gases stimulate the same

Much of the health discussion centered on whether symptoms homeowners have
been experiencing could be the result of "neurogenic inflammation" brought on by the
trigeminal nerve, also known as the fifth cranial nerve, which branches out behind the
face and throat, with exposed endings in the nose.

Sulfur gases present in lower levels than are formally considered "toxic" can cause the
nerve to trigger the inflammation, resulting in health effects that include sinus and
nasal congestion, headaches, eye irritations, and throat and upper respiratory
problems.   Those effects generally subside once exposure to the offending chemicals
ends, as opposed to toxic effects, which can linger for longer periods of time and
require healing of damaged cells.  Excerpts from Article written by Aaron Kessler,
HeraldTribune.com, November 7, 2009.   
See Full Article

Yes, according to a report on the CPSC's website.  The report cites several concerns,
including deterioration of electrical connections that could develop "hot spots resulting
in overheating and possibly fire;” damage to circuit tracers causing failure of
protective devices such as GFCIs, arc-fault circuit interrupters and smoke alarms,
which can present shock and fire hazards from the loss of protection; and potential
gas leakage due to corrosive pitting of piping, which could present a fire or explosion
Click here for full article.

Please consult with your vet if your dog or cat has been exposed to Chinese drywall
and is experiencing any new or different health issues including, coughing (wet or dry),
sneezing, difficulty breathing or wheezing.