A recent study appeared in the journal of the `British Journal of Cancer` has claimed that Smoking plays the biggest role in developing cancer. Besides its link to lung cancer, researchers have also pointed out to its relation with other kinds of cancer namely bladder, kidney, pancreatic and cervical cancer.

1 out of every 25 cancer cases is related to profession, such as chemicals or asbestos related jobs while 1 out of every 33 cancer cases is caused by infections, for instance the human papilloma virus, abbreviated as HPV which leads to cervical cancer. The aforementioned study pointed out to the fact that in 2010 34 per cent of the total 106845 cancer cases was caused by smoking, diet, drinking alcohol and excess weight.

Particularly among men 6.1 per cent of cancer cases which is 9600 in total is linked to deficiency of fruit and veggie nutrients while 4.9 per cent which is 7800 in total is linked to profession, 4.6 per cent which is 7300 in total is related to alcohol, 4.1 per cent which is 6500 in total is caused by obesity and 3.5 per cent which is 5500 in total to sun exposure.

On the other side, in women 6.9 per cent which is 10800 in total is caused by obesity and overweight while 3.7 per cent which is 5800 in total is linked to infections like HPV, 3.6 per cent which is 5600 in total is linked to sun exposure, 3.4 per cent which is 5300 in total is related to deficiency of fruit and veggie nutrients and 3.3 per cent which is 5100 in total is related to alcohol. Daily Express has revealed all the records.

In short, factors that can lead to develop cancer are tobacco chewing or smoking, consuming alcohol be short of fruit and vegetables, red meat, obesity, unnecessary sun exposure, occupation, infections, radiation, less breast feeding, hormones etc.