One in 8 Americans experiences the terrible pain of osteoarthritis, the most common form of arthritis. Even more people have racking back pain. Others must endure the painful effects of cancer and heart disease.
Mmoja kati ya Wamarekani 8 hupata maumivu makali ya osteoarthritis, aina ya kawaida ya arthritis. Watu wengi zaidi wana maumivu ya mgongo. Wengine lazima wavumilie madhara ya kansa na ugonjwa wa moyo.