If you often read Xiu Xian's novels, you will find the word "Pigu".
what does it mean to break the valley? Begging the valley is to practice at a certain stage, so you don't have to eat or drink, and you won't feel hungry. Why? Because of my profound mana, I can get the energy and material I need from the air, and I can also take the essence of the sun and the moon.
Of course, such a profound realm is beyond the reach of monks in our physical training period, so we need Bigu Dan. In my opinion, Bigudan is a high-energy compressed biscuit, which contains enough energy to last us for a long time, so as to prevent us from being unable to break through or even being possessed because we have no place to eat or stop practicing halfway.
so, what are the benefits of breaking the valley? It can be said that there are basically no impurities and toxic substances, which can make your body better and achieve the effect of detoxification and beauty.
After the explanation, maybe we are a little looking forward to the mode of cultivating immortals, but this is not what our technology has achieved now. If you want to protect your health, I can only say "no zuo no die"!
In my opinion, even if you are given Pigu Dan, you, as a mortal, are at most a poor body-building monk if you are a master of Taoism. A Pigu Dan is enough to make you die, so what about keeping in good health? Let's take this as an example. When we were young, we often heard such a story. If we give you a compressed biscuit, don't eat it at once, or it will swell to death. Although the compressed biscuit in our hand is a small piece, we can't eat it at once because a small piece can cover the whole day's meal. Of course, this is just a joke, but it shows that even if there is Bigu Dan, it is not something we can afford.
in addition, let's talk about the real mode of not eating. Maybe I think it's just a peerless weight loss. The human body is working all the time and consuming energy all the time. If you don't eat, what can you supplement it with? To break the valley is to supplement it with the energy of the air, the sun and the moon. I said, don't be silly. So many contact and absorption processes between human organs and food can't absorb much energy in food. So you, a low-ranking monk, can absorb little energy from the outside world through your pores?
finally, explain it scientifically. Maybe some people think that people can absorb the material energy in the land and air like plants, and so can we. At this time, it reminds me of transgenic chlorophyll into cattle in junior high school, so that cattle don't have to eat grass. In fact, the moisture in the air is only a few tenths of a percent. Even if you can absorb the moisture in the air, it is not enough for the human body. The human body also has limitations in material transformation. If you can really change your body function greatly, then you will really soar to heaven.