(CNN) — Ivermectin can now be purchased in Idaho just like Tylenol or ibuprofen, without the need for a prescription, after Gov. Brad Little signed a bill into law that permits the deworming ...

MaryJo Perry raises animals on her property outside of Jackson, Miss., and uses ivermectin to treat her cattle. To her, the drug is as familiar, safe, cheap and effective as vitamins: "We've been ...