Yeah, a fifteen-fret uke will have two octaves. The lowest note is middle C. Then the E string (open) is the E above middle C, the A (also open) is the A above middle C, then fifteen frets down you have the second C above middle C. That's two octaves.
Yes, peanuts and peanut butter can aggravate arthritis. I was a peanut butter eater all my life, I am now 58.
Peanuts have low amounts of saturated fat, which is found in many animal products, and have no trans fat at all. When peanuts are included in the diet as a protein source, studies show that blood pressure is lowered, which also may benefit heart disease risk. Peanuts have a unique mix of functional components, vitamins, and minerals that help the body prevent heart disease.