An old building is still an old building, no matter what you spend on it. But many people didn't start to realize it until people started to get sick and mould was discovered in many buildings. Many schools from Vancouver to Nova Scotia have made the news this year with their toxic mould stories. Students in older buildings have been suffering from environmental illnesses including headaches and other flu-like symptoms. One of the main causes of this environmental illness is the toxic mould.
Moulds are members of the fungus family.
There are almost 100,000 species of mould. Most of the common moulds found in schools are non-toxic and will not cause harm as long as they don't overproduce. He found that about half the schools he examined had mould contamination. But only about ten per cent had mould problems that would be a health concern. Fungi expert says some moulds are dangerous, but not others Mould produces seed-like spores that travel through the air.