Watermelon works well in reducing both your system temperature and blood pressure. Many individuals in tropical regions eat this healthy fruit every single day in the afternoon during summer time to safeguard themselves from heat stroke. In Asia, you will see the fruit being sold by vendors in virtually every street during summer time season. The high number of water within healthy watermelon also stimulates a discharge of excess liquid in the shape of sweat, which cools your system further during hot summer days.
source : Healthy Benefits Of Watermelons To Prevents Heat Stroke