"Loading up on caffeine before a game is ridiculous and certainly there can be some dangerous side effects when you are artificially increasing your heart rate and blood pressure.

Caffeine therapy for the first few days of life helps resolve breathing difficulties in babies born prematurely, according to a report in this week's New England Journal of Medicine.

If you favour coffee pods, their caffeine content also varies considerably (my two shots probably add up to a mere 120mg). Iced coffees can carry huge amounts of caffeine, and sugar.

Higher daily intake of dietary caffeine was associated with an increased prevalence of severe headache or migraine in adults, particularly women, according to researchers.“Recent studies have ...