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Tobacco use

Tobacco use causes cancer

What you may have heard

Tobacco use is a leading cause of cancer and cancer death. It is also the biggest preventable cause of cancer.

What science tells us

All tobacco products, including cigarettes, cigars, pipe tobacco, chewing tobacco, and snuff contain […]

Obesity

Obesity causes cancer

What you may have heard

Obesity has been linked to various types of cancers.

What science tells us

Obesity or high body mass index (BMI) is a condition in which a person has an unhealthy amount and/or distribution of body fat. To measure […]

Low physical activity

Low levels of physical activity increase cancer risk

What you may have heard

Low physical activity increases risk of developing cancer.

What science tells us

Epidemiological Evidence

There is strong evidence that higher levels of physical activity are linked to lower risk of several types of cancer. Much […]

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