> The cause was diclofenac, an anti-inflammatory drug that farmers began using to treat their cattle. Though the drug was harmless to both cows and humans, It

> The cause was diclofenac, an anti-inflammatory drug that farmers began using to treat their cattle. Though the drug was harmless to both cows and humans, It isn't harmless to humans, it causes ulcers (if you take a big dose, like the vultures).