Chiropractic

Chiropractic theory is rooted in the notions of Daniel David Palmer, a grocer and "magnetic healer,” who postulated that the basic cause of disease was interference with the body's nerve supply.
It's not a common side effect, but it's yet another addition to a long list of reasons not to see a chiropractor: They can make your eyes bleed.
It is not uncommon, when seeking care from a chiropractor, to receive X-rays of the back. X-rays are a key component of the chiropractic practice. (1)
Anyone who has suffered from migraines is aware of the limitation of the treatment options out there.