Human: Is it true that if you drink water with a lemon wedge in it, it can help to cure a hangover? Assistant: 
Yes, it is. Lemon contains citric acid which helps to reduce the effects of a hangover by helping to detoxify the body. It also helps to boost your immune system and fight off bacteria. Additionally, drinking plenty of water can help to flush out toxins from the body, so it’s important to stay hydrated when you have a hangover.