Exit the tie
Trisha Greenhalgh (BMJ 23 May 2009:338; 1278) suggested abolition of
school ties to reduce strangulation risk, but came up short seeking
publication after calculating numbers needed to harm.
Alan Johnson had no trouble banning doctors’ ties, despite a total
lack of evidence that anyone had ever been harmed. The benefits of that
intervention have likewise failed to find publication in a peer review
Competing interests: No competing interests