A malignant group of uncontrollably dividing cells that form a tumour. Questions regarding (proto)oncogenes and tumour-suppressor genes should also use this tag.

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1answer
301 views

Extremely rare occurence of Heart cancer?

The occurrence of Heart cancer (similar, but not the same as Rhabdomyosarcoma) is extremely rare, about 1 per year according to MayoClinic. The reason for this rarity is explained to be the ...
7
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1answer
92 views

Can cancer cells in the same person, organ, and origin have different DNA?

Is it possible for cells from the same tumor to have different genetic material, and if so, to what degree is it possible (how fast do they mutate) ?
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3answers
129 views

Why cancer mutations do accumulate sequentially?

According to Knudson hypothesis, cancer mutations accumulate in order. Statistics says, that cancer probability increases as sixth order of age, which may mean six consequential steps to cancer. But, ...
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1answer
72 views

Carcinogens, how do they work?

The easiest carcinogenic thing for me to grasp is radiation, as it directly messes with DNA. Then it seems there are other compounds that simply mimic hormones, but these shouldn't necessarily cause ...
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1answer
44 views

Do cell walls prevent cancer?

To my knowledge plants do not have an uncontrolled growth disease similar to cancer. Is the function by which they avoid uncontrolled growth related to their cell wall and preventing damage to ...
0
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1answer
24 views

Different level of toxicity between smoke

Has there been studies on the difference between the smoke generated from: cigarette or cigar manufactured by brands which are proven to contain more than a hundred of dangerous additional ...