The main health issues raised were: increased heart rate, higher blood pressure, irregular heartbeat, tremors, nervousness, insomnia and panic attacks. The limit is 200mg a day in pregnant women due to the impact on the growing foetus. The report acknowledged there was a limited amount of data on safe levels for children.
The EFSA is recommending 3mg per day for every kilogram the child weighs. It also found no extra risk as a result of combining caffeine and alcohol.