Do not try this at home

• Beta blockers are only available on prescription in the UK, but they are easily obtained from online chemists. If you suffer from migraines or situational anxiety then you’re just a quick search, and a very short online questionnaire, away from having a packet of propranolol delivered to your door.

• What about those of us who don’t suffer from migraines and situational anxiety? It’s not a stretch to assume that those who are prepared to cheat are also prepared to lie about these common ailments.