Video. Scientists are questioning whether FIFA's hydration breaks do enough to protect players competing in extreme heat. While some argue the breaks disrupt the game, researchers say longer cooling periods and active cooling measures may better reduce heat-related health risks.

Inappropriate use of cooling breaks in sport is undermining trust in heat-health research.

Video. Scientists are questioning whether FIFA's hydration breaks do enough to protect players competing in extreme heat. While some argue the breaks disrupt the game, researchers…