Flexible Economy is a new enhanced Economy service operating on a single cabin aircraft for customers on our shorthaul network flying to and from London Heathrow.
Although caffeine is generally safe and well tolerated, it can cause side effects when ingested in large doses. Additionally, regular caffeine use can cause dependency, resulting in withdrawal symptoms when caffeine is not consumed. Headaches can be a symptom of either too much caffeine or too little.
Yes, Itâs Possible to Have Too Much Caffeine (and These Are the Caffeine Overdose Symptoms to Look For) An expert describes the signs you're consuming more of the drug than your body can handle.