Easing up on legumes cures pain?

Dear Dr. Gott: I am an 85-year-old female in excellent health. I don’t take any medications, walk a lot and swim every day.
A few years ago, I suddenly got severe muscle pains in my shoulders and arms. My doctor could only advise cortisone shots, which I declined. Shortly after, I went to visit a relative who lives in Germany who has suffered from terrible rheumatism all his life. I had visited because he was about to be released from the hospital after a heart problem. While helping him get ready to leave, I noticed his discharge instructions at the foot of his bed. His doctor had written that he needed to avoid peas, beans and lentils.
I remembered that, in months before, I had really indulged in these legumes, which I love and are supposed to be very healthful. After that, I stayed away from them, and within a few weeks, all the pain in my arms and shoulders disappeared. I have not had a problem in years.
Now to the best part: proof that these edibles caused my problem! A short while ago, I thought I would have some lentil soup. Two days later, I had pain in my shoulders! I have not had peas, beans or lentils again, and the pain went away again.
I hope this may benefit some of your readers.
Dear Reader: I am unaware of any information about peas, beans and lentils causing joint and muscle pain. However, you appear to have found the source of your pain in these healthful legumes. I suggest you speak to your physician about this potential link.
That said, most authorities encourage diets that contain peas, beans and lentils. They play an important role in achieving adequate protein consumption in vegetarian and vegan diets.
To the best of my knowledge, the worst that these legumes can cause is abdominal pain due to increased gas pressure. That is why most people find it easier to handle small quantities at a time, which can then be slowly increased. Beano is also helpful in preventing painful gas owing to increased legume and fiber intake.
To give you related information, I am sending you a copy of my Health Report “Managing Chronic Pain.” Other readers who would like a copy should send a self-addressed stamped No. 10 envelope and a check or money order for $2 to Newsletter, P.O. Box 167, Wickliffe, OH 44092. Be sure to mention the title.