| 1. | Alcohol provides the body with necessary calories , but has no nutritional value , therefore excessive drinking causes malnutrition . for example , alcoholism can lead to vitamin b deficiency , which will lead to damage of the nervous system , leading to numbness , weakness of limbs , hand tremor and mental confusion 酒精可以提供人体所需的热能,却无任何营养价值,长期饮用过量酒精导致营养不良。例如长期缺乏吸取维他命B ,会对神经系统造成损害,引致手脚麻痹、无力、手震、甚至精神错乱。 |