How can one prevent cancer?

Cigarette smoke is a major cause of cancer. Those who smoke are at risk of developing cancer. Smoking is a major preventable cause of death. With 1 out of every 5 deaths occurring due to it. Even secondhand smoke, smoke that is inhaled by people who do not smoke also causes cancer.
Genes are also carrier of cancer. Those who have a particular type of genes can suffer from cancer which is aggravated by environmental factors as well.
One must be careful about one’s diet. Those who take a high fat diet with less fruits and vegetables are prone to certain types of cancers.
Excessive weight is also a risk factor. Obesity is linked to cancers of the gallbladder, ovaries and the pancreas. One must try to cut down on one’s weight. Keeping in proper shape is essential. Physical exercise can keep body fat level under control.
Lack of exercise and overweight are causes of cancer of the colon, breast, esophagus, uterus and kidney. Physical exercise reduces the body fat and many scientists feel that brisk walking of 30 minutes on 5 days or more during the week can help keep fit.
Ultraviolet radiation (UV rays) can also cause cancer of the skin. Do not stay too long in the sun and use a sunscreen and avoid other sources of UV radiation.
Some chemicals are also very harmful. Construction workers, painters and those associated with chemical industry are at a risk of developing cancer.
Bacteria as well as viruses can also cause cancer, such as stomach cancer. Human papillomaviruses (HPVs) are major causes of cervical cancer. Infections caused by Hepatitis B as well as C can cause cancer of the liver. AIDS also is a risk factor for cancer.
One must keep one’s stress levels under control. Stress can cause cancer. Modern lifestyles are very hectic. Fast foods have substituted regular meals.
One must control one’s worries and tensions, which can affect the body functioning.
It is advisable for a person to consult his or her local physician to understand what is the risk of cancer, particularly if a member in the family has suffered from it. It is better to lower the risks of developing cancer.