Which source would be the most credible for research on the dangers of playing football a website developed by a football organization an article published by a national health organization, and interview with a football player, an editorial published in a newspaper

The most credible source for research on the dangers of playing football would be an article published by a national health organization. These organizations typically conduct extensive research, have expert contributors, and their content undergoes thorough review and fact-checking processes. It is important to rely on sources that prioritize scientific evidence and prioritize public health concerns.