I used to think brutal weight cuts were just part of being a serious professional. I don't think that anymore
For years my honest reaction to weight-cut horror stories was something close to indifference. Professional fighters know the risks, they choose the weight class, it's their body and their career. I've come around on that, and it wasn't one dramatic incident that changed my mind, it was reading how the actual medical mechanism works. Dehydration doesn't just leave a fighter tired. The brain physically shrinks slightly away from the skull when the body is significantly dehydrated, which means there's more room for it to move inside the skull on impact. A shot that would be a survivable jolt at normal hydration becomes measurably more dangerous to a severely dehydrated brain. That's not a fighter being tough through discomfort, that's a fighter walking into the cage with reduced protection against exactly the kind of trauma the sport is built around. Hydration testing exists specifically to catch the worst of this, but the incentive structure still rewards cutting as much weight as a fighter can survive, because the size advantage on fight night is real and the enforcement is inconsistent across commissions. This isn't a toughness question. It's a sport quietly tolerating a genuine, measurable increase in brain-injury risk because changing the incentive is harder than changing the marketing. [Sidekick Boxing's case against the hydration clause](https://sidekickboxing.co.uk/should-the-hydration-clause-be-banned-immediately-before-something-bad-happens/) lays out exactly why this needs to change before it takes something worse to force the issue.