许多老年朋友经常会因为一点点刺激就流泪不止。一般来说,如果缺乏维生素A、维生素B2半年以上,就能引起泪道狭窄或阻塞,导致泪腺分泌出过多泪水。因此,爱流泪的老人就要注意常吃富含维生素A和维生素B2的食物,主要有鱼肝油和各种根茎食物如胡萝卜、红薯、山药等。 Many elderly friends often burst into tears with a little stimulation. In general, if the lack of vitamin A, vitamin B2 more than six months, can cause narrow or obstruction of the lacrimal duct, leading to lacrimal gland secretion of excessive tears. Therefore, the elderly love tears should pay attention to eat foods rich in vitamin A and vitamin B2, mainly cod liver oil and various rhizome foods such as carrots, sweet potatoes, yams and so on.