Two riddles that always torment us are why women love cats so much and how female logic works. As it turned out, these phenomena are quite interrelated. According to the UK Department of Health, up to 40% of cat owners in the country suffer from toxoplasmosis, a disease caused by a brain parasite that catches humans. True, it is not yet fully understood how these parasites affect the brain, except that they live there. But the general symptomatology is well known: if you are tormented by a persistent cold for years – with a runny nose, reddening of the throat, and weakness – then most likely the reason here is not drafts, but these creatures.