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.
Walnuts. Incorporating walnuts into the diet may provide benefits for arthritis sufferers. Walnuts, one of the best nuts for arthritis, are rich in omega-3 fatty acids, a type of fat that helps reduce inflammation and can help lower the risk of developing arthritis.