Cancer can be caused by many factors, like bad eating habits, family genes, long time health problems ...

Some people Get Skin Cancer From The Sun

People getting cancer is just like getting sick with the cough.
There is about 200 types of cancer...
Cancer can be caused by you getting older, genetic make up, tobacco, viruses, bacterial infections, and more.

there are many factors that cause cancer. the most important one is smoking.in addition cancer could be inherited from one of the family member who had arleady catched this desease.besides long exposure to the sun and smelling chimical products like benzen ,pollution etc can cause cancer.we can't forget also unsafe sexal relations which are reponsible for getting cancer