Its have so many facilities ,i can say .Specially in islamic country fasting 1 month every for their religion.Its help lot people.Many people keep fasting .for their weight lose its have both sight effect .because some are with low pressure will keep fasting their health may be feel sick.for low pressure people i will say avoid fasting .But at the end i will say every thing have both side .But we need to choose as our work,,
thanks for your question/....