When anyone lives in a warm climate, the probabilities of getting some kind of fungal growth within the home are very high certainly. Getting an expert out to examine the home is probably the best thing to do as this could save a lot of problems later on. Try searching for 'mold testing' or 'mold removal' on the internet to see what kind of services are available in the local area.
These experts have many varieties of tricks up their common sleeves for detecting the appearance of fungal growth even if it is not visible to the naked eye. They have thermal imaging machines which can detect wet or very damp areas within wall cavities even if there is nothing showing on the surface. But they may also have to take samples from the home as well to get it tested under laboratory conditions to see if there are spores present. You can also visit http://thatmoldlady.com/ to know more about the mold removal.
What these spores do is to produce all kinds of problems for people who are susceptible to breathing problems but it is not limited to only breathing problems once the fungal infection becomes toxic. Everything from nose bleeds rectal bleeding and hair loss is all down to the presence of fungus in the home. There are a host of other ailments too which can be brought about by breathing in this kind of toxic cocktail so getting it eliminated must be a top priority.