What happens to the body if a person drinks 5 cups of coffee or tea every day?
If a person drinks five cups of coffee or tea daily, their body can become accustomed and may need more caffeine for the same effect, Dr Amit Saraf said. Excessive coffee may increase stress hormones and disrupt sleep. He said tea contains L-theanine, which calms the mind, and several cups may cause less anxiety or sleep problems compared to coffee.