Does foods belonging to the nightshade family increase stiffness in rheumatoid arthritis?

I have rheumatoid arthritis and I have found that by eliminating foods belonging to the nightshade family (tomatoes, potatoes, eggplant, peppers, and chili) I no longer have the morning stiffness that I found quite painful. Apparently, it is the solanine in these foods which caused the morning stiffness (for me anyway). However, these foods...

Where can I find a dietitian who works with kidney disease or high potassium blood levels?

Where can I find a dietitian who works with kidney disease or high potassium blood levels? The Renal Dietitians dietetic practice group of the American Dietetic Association specializes in working with patients with kidney disease and elevated blood potassium levels. You can find a dietitian at the Academy of Nutrition and Dietetics. Include your zip...