Physical Activities and Sports
Other issues have seen raised about fasting is physical activities and sports. Naturally these activities will cause the person to sweat and become dehydrated so what happens when you sweat and cannot drink any fluids?
In this way there is not much of a delay in replenishing the water in the body. There is a possibility of feeling a bit dizzy while exercising, this is not harmful and is due to the lower blood pressure of the faster.