Muslims fast during Ramzan for a month. This is what they do:
1. they wake up early before sunrise and eat a very heavy breakfast,they cram into their stomachs whatver they can 2. With their stomachs full,they don't feel hungry during the daytime when they are actually fasting 3. as soon as sunset happens ,they start hogging and keep eating until midnight.
By the end of the day , they end up eating more than what they would eat on a normal day ( when not fasting). this is repeated for a month. Allahs will is obeyed!
Thus this fasting is a big joke.
Its harmful for the digestive system, because the human body is not geared up to massive eating early in morning before sunrise and late at night.
Hindus on the other hand have true fasting. They eat light snacks like fruits, fruit juice , milk etc. there is no sudden deprivation and sudden burden on the digestive system.