Final answer:
D.D. Palmer, who founded chiropractic, was practicing (B) magnetic healing when he made his discovery. Chiropractors offer a drug-free, hands-on treatment through spinal manipulation and may recommend exercises and other therapies.
Step-by-step explanation:
The founder of chiropractic, D.D. Palmer, was practicing magnetic healing when he discovered chiropractic in 1895. Chiropractic is a health profession where chiropractors use a drug-free, hands-on approach for patient diagnosis and treatment.
They perform a physical exam, assess posture and spine, and may use diagnostic tests such as X-ray images. The core treatment involves manual techniques like spinal manipulation. Chiropractors may also recommend exercises and other therapies like acupuncture or massage.