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Ask an Expert: Arthritis pain relievers

I used to take Bextra for my arthritis, but when the Food and Drug Administration asked Pfizer to stop selling it, my doctor put me on Celebrex. I am worried about reports saying that they increase the risk of heart attack or stroke. What should I do?

Ask an Expert: Knuckle cracking and arthritis

Q: Does cracking my knuckles increase my risk of arthritis?

Answer from Peter Bonafede, M.D., medical director of the Providence Arthritis Center at Providence Portland Medical Center: