CAT's poop could give you Alzheimer's, warn scientists

Cats may be increasing their owners' risk of Alzheimer's.

A new report warns a parasite commonly found in cat feces alters the chemistry of the human brain, making it fertile ground for the disease to take hold.

It builds on previous studies that linked the parasite - Toxoplasma gondii - to increased risk of brain cancer, anxiety, and schizophrenia.

Though pregnant women are already advised to avoid kitty litter, experts say the new study shows even more people should be cautious.

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