Barbara Arnold estimates she has been stung by bees at least 24,000 times.

Article Tab: Christie Clingenpeel applies 30 bee stings on Barbara Arnold's back. For the past 12 years Barbara Arnold uses bee venom to treat her multiple sclerosis. Her treatment consists of 30 bee stings twice a week, and about 2,880 bee stings for the year. Arnold says she doesn't feel the bee stings on her back.

Arnold lives with multiple sclerosis, or MS as it is commonly called, a debilitating and incurable disease that affects a person's central nervous system.