One whose weight goes up and down NYT crossword answer is:
YOYODIETER (10 letters length)The answer for One whose weight goes up and down crossword clue is listed above to help you solve the puzzle you are currently working on.
The answer to this crossword clue is "yo-yo dieter," which refers to someone who frequently goes on diets and then stops, resulting in their weight going up and down. Yo-yo dieting is not recommended as it can lead to health issues and can be difficult to maintain in the long-term.