Bingo.

Most forms of cancer are side effects / symptoms of parasitic infections.

Countries that sell anti-parasitics over the counter Have the lowest cancer rates in the world.

You can get the pills from alldaychemist.com without a prescription.

Names: mebendazole and albendazole (also ivermectin but that's a different category of antiviral and anti-parasitic so If you're targeting cancer focus on the bendasole family)