We decided to include another article based on the weight regulation in elite sports. This time choosing boxing. Obviously, changes in body weight pre-competition have occurred for decades but this is an interesting read if you are only coming to the realization now that there is a dehydration effect involved.
Context: Dehydration is assumed to be a major adverse effect associated with rapid loss of body mass for competing in a lower weight class in combat sports. However, the effects of such weight cutting on body fluid balance in a real-life setting are unknown.