They have a four-year graduate degree. It takes as long as an MD degree.
I don't believe everything they say. But when my back feels twisted, I trust them enough to straighten it out. They even did a good job straightening out my whiplash.
Chiropractic medicine is entirely state based since there's no science behind it. Every state has their own rules about what it takes to be called a chiropractor. Some get actual training on physiology and musculature but definitely not all. It's always going to be hot or miss on whether or not they are going to leave you paralyzed or feeling better.
