The most common allergic triggers of asthma are house dust-mites, pets, pollen and mould.

"The effects of moulds and dampness on the respiratory health of children are comparable to the effect of passive smoking and include other effects such as asthma and chronic bronchitis, mould exposure is associated with catching more colds, more infections in the lower respiratory system and irritation of skin, eyes, fever and headache. In severe cases, it can cause death."- Dr Peter Dingle.

Would you live in a house with Asbestos? Of course not, you'd take action fast. If you can see mould in your home then you have a problem and you need to take action fast. 

The effects of mould include: Sinus, skin and respiratory infections, yeast infections, headaches, aching joints, asthma, fatigue, loss of libido, depression and anxiety.

Mould can be fatal for Animals with symptoms including respiratory distress, nasal discharge, coughing and in severe cases bleeding from nose & mouth.