无论是什么人,都要放屁,在这个世界上可能找不到不放屁的。但是,放屁也有个“度”,放屁过多,并非好事,这对于老人来说更是如此。那么,屁是怎么产生的呢?道理很简单。人吃下去的食物,在肠道菌群的作用下发酵、分解、腐败,便会产生一些气体。一旦这些气体积蓄多了,便会刺激肠蠕动。在蠕动波的推动下,这些气体由肛门排出,就成了屁。老人屁多,至少可以说明一点:消化功能出了毛病。老年人由于体力衰退、消化功能减 No matter what kind of person, should fart, in this world may not find does not fart. However, there is a degree of farting, farting too much, not a good thing, which is even more so for the elderly. So, how fart is produced? The reason is very simple. People eat food, fermented in the intestinal flora, decomposition, corruption, it will produce some gas. Once these gases accumulate more, it will stimulate bowel movements. Driven by peristaltic waves, these gases are excreted by the anus, it became fart. Fart and more elderly people, at least one thing: digestive function out of order. Elderly due to physical decline, reduced digestive function