Sport News

How creatine works, and where the evidence stops

The mechanism is well described and the performance evidence is narrow but consistent. The cognitive evidence is thinner, and the label claims are the manufacturers' own.

FTC sends refund checks over unproven supplement health claims

Does biotin actually help hair, skin and nails?

NAC is back on supplement shelves. Here's what changed, and what didn't

The FDA confirmed in 2024 it does not object to NAC in dietary supplements, ending a four-year limbo — but the compound's efficacy evidence remains narrow, and the policy story is the real news.

Weigh-in reform in combat sports

Rapid weight cutting has documented health consequences; commissions and promotions have reformed weigh-in rules, and the evidence shows what the changes did and did not fix.

Marathon fueling: what the evidence says

World Marathon Majors winners and mid-pack runners face the same physiology; the evidence shows carbohydrate intake and practiced absorption decide the final 10 kilometres.

World Cup 2026 heat: the first ten days

Ten days into the 2026 World Cup, mandatory hydration breaks and documented venue heat have made player welfare a running storyline of the group stage.

Inside the Olympic Village dining hall

Olympic Villages feed over 10,000 athletes from dozens of cuisines at once; reports from recent Games show how the world's biggest catering operation works.

Fueling five-set tennis matches

Grand slam matches run past four hours in heat; the evidence on tennis fueling shows carbohydrate, fluids and practice — not stimulants — carry the fifth set.

Heat, sweat and hydration in football

Match-weighing studies show footballers lose real fluid and mass over 90 minutes in heat; the evidence separates what drinking can and cannot fix.