Helminths must still be thoroughly investigated to determine if and when worms or worm-inspired drugs would be effective, what doses and species are most beneficial, that it is safe, and to seek approval and regulation. That worm-filled future is a long way off, though. In the meantime, people will continue to colonize themselves with helminths. After all, we are far from being able to offer people with these lifelong conditions any cures. Most researchers don't advise self-treating, but they can understand why people choose to do it. "Until more work is done, individuals are left with the uncomfortable task of making that determination for themselves," Parker said in email.