茶是人们日常生活中常用的饮品,但如果饮用不当,也会对人体造成伤害。忌过量长期过量饮茶会使体内的咖啡碱积累过多,有损神经系统的正常功能。同时,还影响维生素B的吸收,造成疲劳、食欲不振、神经过敏等。忌晚上喝浓茶茶叶中含有咖啡碱,它能兴奋大脑且引起尿多,使人难以入睡。? Tea is a common drink in people’s daily life, but it can cause harm to the human body if it is not properly consumed. Overdose excessive drinking too long will make the body excessive accumulation of caffeine, impairing the normal function of the nervous system. At the same time, also affect the absorption of vitamin B, resulting in fatigue, loss of appetite, nervousness and so on. Avoid drinking tea at night caffeine contains tea, it can stimulate the brain and cause more urine, making it difficult to sleep. ?