Add Yahoo as a preferred source to see more of our stories on Google. Male fertility is on a decline worldwide—and cat poop might have something to do with it. New research suggests that Toxoplasma ...

Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

How would you describe your relationship with your cat? Probably like every cat owner: “The animals give so much back—at ...

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Humans can contract toxoplasmosis, too – those who are infected suffer from concentration problems and slow reaction times.