In cosmopolitan culture most of the people around the world are dependent on unhealthy food and water. In addition, even the air that most of the people breathing in cities are much polluted, which is badly affect health of masses. It will be not at all surprising that even at young many people are suffering from different types of diseases. In order to stay fit in this lifestyle it is essential for you to keep track on your blood pressure, sugar level, oxygen level, and pulse rate. For this purpose people often visit to their doctor at frequent intervals may be once in a month but this is not enough solution to stay healthy every day. It is important to know that our body’s oxygen level, blood pressure, and sugar level varies every day.