We are gifted naturally with the world’s best doctor – our body’s own immune system. A properly functioning immune system is the best line of defense as it keeps most diseases at bay. A strong and healthy immune system is crucial to maintaining one’s health because of its close relationship with the person’s physical condition.
The rise in living standards has also significantly increased the occurrence of sickness amongst modern city residents. The combination of a weakened immune system, stress, fatigue, and the constant exposure to common viruses such as the flu, explains why people fall ill easily in this day and age.