When drunk after a meal, hot water helps replenish any body fluids lost during normal digestive processes and helps kill harmful bacteria.
By increasing body metabolism by up to 32 percent, hot water can help in weight loss.
Since hot water acts as a vasodilator, it can help reduce the pain from menstrual cramps, by increasing blood flow to the uterus.
A 2008 study found that a hot drink, such as hot water or tea, was more effective at relieving general cold symptoms.
Drinking hot water can reduce shivering, thus reducing the amount of energy the body has to expend to keep warm.
Drinking hot water may help reduce anxiety symptoms, thus alleviating stress.
Drinking hot water can regularise your bowel movements, thus helping to relieve constipation.