Nowadays there are more and more people who suffer cancer. It is one of the main causes of dead in the whole world, specially in Spain which is one of the most affected countries currently. It can be caused by some human actions or mainly by several factors of life.
Cancer can appear because of genetics, since if parents have any kind of cancer, it is very likely that their children will have this illness too.
Ageing is also another fundamental factor in the development of cancer. The incidence of this disease increases greatly with age, most likely because accumulate risk factors for certain cancers.
Another circumstance that cause cancer is the consume moderated of tobacco and alcohol that are very damage for lungs and kidneys.
In addition, most of food that we buy at the supermarket can cause cancer long-term, because all type of edible products are now plenty of chemicals like preservatives, colourants, etc. These are very harmful for our health. Therefore we have to be very aware of it.