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Scientists aren't really sure exactly what "causes" cancer, so it's difficult to answer this. Cancer is essentially a breakdown in cellular reproduction, causing the cells to reproduce out of control.
We know that exposure to certain chemicals ("carcinogens") increases the likelihood of cancer developing, but we also know that some people are exposed to those chemicals with no harmful effect and other people develop cancer for no clear reason.
That said, tobacco smoke (and smoke in general) does contain a lot of chemicals that are known carcinogens.
What else can I help you with?
How did scientists change society's view of smoking after 1960?
-- they showed that smoking causes cancer :) kymmie
What are the American Cancer Society's views on smoking?
The cancer society's view on smoking is that smoking causes at least 80% of lung cancer deaths
What causes esphagul cancer?
smoking
Why is smoking not good for you?
causes lung cancer
What are some causes of lung cancer?
smoking
What are the main causes of lung cancer?
smoking
What are the some causes of cancer?
smoking/lungcancer
What are the Cancers that smoking causes?
Lung cancer and mouth cancer, definitely.
Can smoking for 4 months causes cancer?
Any smoking you do whatsoever has the potential to cause cancer, smoking for longer just increases your risk of it.
How does smoking harm the respiratory system?
Smoking causes cancer and heart attacks.
How did scientists change societys view of smoking after?
they showed that smoking causes cancer
Which is an example of how society responded to smoking causes cancer?
Society responded to reports that indicated smoking causes cancer by interacting laws that restricted smoking in public places. Some laws were intended to inhibit children from starting smoking.
