Health is the most valuable asset, therefore we have to try to keep ourselves healthy. Nowaday, there are many factors that affect to our health harmfully.

An unhealthy diet is one of those factors. At present, when the living standard is improving, people can have delicious food in their meal. But some diseases such as cancer, heart attack or diabetes originated from your meal. People usually prefer eating meat than other food has more vitamin such as fruit and vegetables. Unsafe food problem and lack of nutritive can cause permanent damage to our health. Therefore it's very important to choose suitable and fresh food.

Smoking is not only harmful to smokers' health but also to people's health around. Smoking is the cause for lung cancer and many other diseases, such as: chronic rhinitis, chronic laryngitis, larynx cancer, pneumonia...Besides, people who do not smoke but must live and work with smokers, especially children still have a very high risk of inhaling passive smoke and is very easy to feel contaminated with cigarette smoke. Whether it is active smoking or passive smoking, harmful effects of smoking are numerous. It is high time to say no to Tobacco and no to smoking.

Drinking has many impacts which are very difficult to recovery and very dangerous for human health. Heart is susceptible to the effects of alcohol. The alcoholics always have high blood pressure than normal and easy to face the risk of cardiovascular disease. Chronic alcoholism is one of the causes leading the brain damage. It makes the brain cells die, affecting memory, hearing, smelling...

The latest studies showed that adverse consequences of occupational stress lasts continuously affect psychological and mental health. It can cause hypertersion, disorders and cardiovascular diseases. So we should not work too hard and should find time to relax yourself.

So solving all the problems above is really necessary in order to have a healthy life.