Talk:Longevity in Okinawa

Latest comment: 6 years ago by Miraculix65
The sweet potato provides a large source of energy while keeping calories low.

Maybe this sentence could be explained better? As far as i know calories are units in which energy is measured, so the statement seems a bit like a contradiction to me. — Preceding unsigned comment added by Miraculix65 (talkcontribs) 11:38, 18 July 2018 (UTC)Reply