The immune system is highly complex and important to our well-being and health maintenance. It is responsible for the elimination of invaders such as infectious

High blood pressure is one of the most dangerous diseases. There are no significant early warnings. Hypertension is treacherous and spiteful. It develops slowly

Common cold is a viral infection of the respiratory tract. Cold viruses are always present in the environment. More than 150 viruses can cause common cold and r

Dry eye syndrome (Keratoconjunctivitis sicca) is a very common condition that is characterized by a disturbance of the tear film and caused by a lack of adequat