Unless you have very serious illness, do not see doctor for miner illness. But, nowadays many people, when they feel a little unwell, immediately go to see doctor and take medicine.
This is not good in principle to our body. If we depend on medicine too much our body will lose power to cure ourselves. Actually, our body have the power to cure ourselves for any kind of small illness. We just lie on bed and drink more water and in few days we will surely feel well again.
Of course, doctors have their value and knowledge to cure patients whose illness is serious. But, in our life in most cases, illness will not be serious, such as cold and fever which can be cured just by rest.
At the same time when you go to doctor some doctor many enlarge your illness, giving you more worry psychologically. Therefore, not to see doctor is the best way to protect yourself.
On the other hand, we must always take care of our body all the time, to build a strong body resistance at any time. That is that we shall not be attacked by a sudden cold to cause our body into illness. Therefore, unless you have very serious sickness, do not go to doctor and take medicine in your life.