21.   The different chemicals cause many different kinds of damage and symptoms.

22.   The Environmental Protection Agency also says other studies show that these chemicals can cause low birth weights and can compromise immune systems.

23.   The other two are caused by chemicals used in processing latex products.

24.   They maintain that chemicals do not cause the same physiological reactions as classic allergens like pollen.

25.   Those same chemicals can cause the sacks to ignite.

26.   Eventually, though, the chemicals would cause the Earth to warm, the scientists speculate, through the Greenhouse effect.

27.   If consumed, the chemicals could cause possible convulsions and permanent brain damage.

28.   That means that the thinning of the ozone layer cannot be caused by chemicals from volcanoes or from any other natural source, he said.

29.   Thai airport officials have criticized some local papers for reporting that the chemical could cause cancer or other long-term illnesses when no one knows what the chemical is.

30.   The chemicals can cause various health problems ranging from dermatitis and eye irritation to asthma, dizziness and vomiting.