Many of our ancestral beliefs,customs and practices have a scientific or logical explaination. Jotting down a few here. Plz add on if you are aware of any more.
1. Should not cut nails at night:: in olden days sources of light were minimal so it was adviced to refrain from cutting nails at night so as to avoid hurting oneself
2. Eating in silver vessels :: silver helps to increase immunity in the body
3. Coconut shell paddles were used for cooking :: it helps in controlling cholestrol
