Cancer

Source
When cell in a part of the body become abnormal and start making more cells. These extra cellsmay form a mass of tissue called a growth or tumor. If the tumor gets bigger it can hurt nearby tissue and organ. cancer is the most painful anus caused by uncontrolled growth of some parts of the body.

Cancer is one of the leading cause of death in the worldbParticularly in in developing countries. There are many types of cancer but the most common one include: stomach cancer, leukaemia breast cancer, brain cancer,lung, prostate, cervical cancer, mouth and throat cancer , testicular, colorectal etc.

This are the causes of cancer.

Poor diet
Alcohol
Family history of cancer
Sunlight
Tobacco
Chemicals and other substance
Some virus and bacteria
Certain hormones
Multiple partners

Lack of physical activities or being over weigh
Many of these risk factor can be avoided. People can help protect themselves by staying away from know risk factor whenever possible.

Measures of progress against cancer/Cancer prevention.

Avoid alcohol: drinking large amount of alcohol raises the risk of cancer of the mouth , throat, esophagus larynx. If you drink alcohol don't have more than two drinks a day. People who smoke cigarettes and drink alcohol have an especially high risk of getting these cancer.

Family with a history of cancer is advised to introduce snail, mackerel, salmon, sardine and fiber diet in their meal which are effective in preventing polyps before they develop.health experts urge people to eat less fat-laden food and more fruits and vegetables and whole grains to lower the risk of other disease including heart disease and diabetes. Good source of fibre include whole wheat breads, cereals and pastas,beans, brown rice and plenty of fruits and vegetables at least five servings a day.

Avoid sunburns : to much ultraviolet radiation from the sun and from other source such as sun lamps and training booths damages your skin and cause cancer so as a result of this.

Avoid the sun between 10 a.m. and 4 p.m. look for shade , especially in the middle of the day when the sun's Ray's are strongest.
Slap on a hat : cover your head with a wide- brimmed hat, shading your face,ear and neck.

Source
Avoid tobacco: cigarette smoking have been linked to colon cancer . smoking at a young age in your twenties increase one Lifetime risk of colorectal cancer . Awesome smoking tobacco using smokeless tobacco and passive smoking (often breathing other people's tobacco smoke) cause a third of all cancer deaths . But remember it is never too late to stop.
Growing older: man and woman at 50 years should take proper diet and also be applied with calcium and aspirin to help prevent cancer from the aged ones.

Chemical and other harmful substances should be avoided: the rates of setting types of cancer among some industrial workers are up to 10 times higher than in the general population children of workers handling chemical carcinogens has sharply increase in cancer rates .for example the risk of childhood leukaemia I increased from two to five fold if during their mothers pregnancies ,their father worked with spray paints dyes or pigments.
Note: no pesticides is safe . they are designed to kill living organisms. They should be treated with respect.including the warnings on the label.

Avoid multiple partner and make sure you know and understand your sexual status.

Good sources of calcium include skim or low fat milk and dairy products, broccoli, kale , salmon ,sardines with bones ,vitamins D and since it is a byproduct of the sun , out door activity on a Sunny day can fulfill some vitamin D requirements.

References

• https://www.who.int/news-room/fact-sheets/detail/cancer
• https://www.cancercenter.com/what-is-cancer
• https://www.mayoclinic.org/healthy-lifestyle/adult-health/in-depth/cancer-prevention/art-20044816