Avoid Tobacco: Various types of cancer have been linked to tobacco, especially cancers of the bladder, lung, cervix and kidney. Cancer of the oral cavity and pancreas has been linked to chewing tobacco, in fact. Exposure to secondhand smoke would highly increase the risk of lung cancer. Avoiding tobacco is the most important step in cancer prevention.
Physical Activity: Cancers of the breast, prostate, colon, kidney and lung may be prevented by maintaining a healthy weight. Increased physical activity would also help the same.
Maintain a Healthy Diet: Plenty of fruits and vegetables are recommended. Fatty foods must be limited, since high fat diets tend to be higher in calories and would increase the risk of obesity. Alcohol should be minimized or even avoided to escape from cancer.
Get sun protection: Skin cancer is caused by continuous exposure to the sunlight. The best way to prevent this is to avoid the midday sun and to stay in shade.
ImmunizationImmunization from viral infectious promotes cancer prevention. Immunization against Hepatitis B (which causes liver cancer) and Human Papilloma Virus (HPV) which could lead to cervical cancer is recommended.
Avoid Risky Behaviors: Limiting on the number of sexual partners and safe sex ensures avoidance of sexually transmitted infections such as HIV or HPV. People with HIV are prone to a cancer of the anus, cervix, lung or immune system. Sharing needles with an infected drug user can also lead to HIV as well as Hepatitis B and C which increases the risk of liver cancer.
Regular Self Examination: Self exams and professional screenings for various cancers can increase the chances of discovering cancer early.