The pH level in your body should be close to the normal level which is 7.0 and above. There are many other factors which can prevent your body from being in the normal pH range. Unhealthy food habits and stress can increase acidity in your body and make you susceptible to all kinds of diseases. Lack of oxygen or oxygen deficient bodies are highly prone to diseases. The herpes simplex virus is anaerobic and it cannot survive in the presence of oxygen. There are numerous ways by which you can increase oxygen content levels in your body. Exercise is a cost effective manner of increasing oxygen levels in your body. Exercise in the early morning hours is recommended because air has comparatively high levels of oxygen. Exercise should be done systematically so that your body works every muscle group. This should improve the oxygen flow in your body. Exercise should be done with frequent breaks in between so as not to add stress on your body, rather than relieve it. Excessive exercise increases the acidity of your body due to lactic acid build up.

Stress is another very important factor which weakens the body, making it susceptible to disease. Stress and tension will increase the acidity of your system. Stress releases many different types of acids and harmful chemicals tin an attempt to cope with the situation you are in. This is of course useful if you are running away from a lion or escaping from a burning building. However, chronic stress is very hard on the body and increases the acidity content in your system.