Some do for religious reasons.
There are as many religious leaders in the world as there are religions.
If you refer to some religious tradition, different religions (or religious groups) have different days reserved for fasting.
According to religious texts, God fasted for 40 days.
The verb form of "fast" is "to fast." It means to refrain from eating food for a period of time, usually for religious, health, or personal reasons.
Fast is an adjective.It can be used to describe people/objects/animals.That car is fast!I can run really fast!Cheetahs move fast!---Fast as a verb means to abstain from food or drink, usually for religious reasons.
The world's biggest religious structure is the Angkor Wat in Cambodia.
Religious people? About 6 billion.
I believe that around 86% of the world's population is religious. 6 billion.
There are hundreds of thousands of Religious ministers in the world, from all kinds of religions.
Religious News Service from the Arab World was created in 1997.
Allahu Akbar is a religious chant of 2 words! PS: I answered this pretty fast from when you posted the question :D