Cancer often caused by environmental factors and modern lifestyle, not just ‘bad luck’

Earlier this year, scientists caused a debate by reporting that two-thirds of cancer types were down to luck rather than factors such as smoking. But in a new study published in the scientific journal Natureanother team of researchers concludes just the opposite: 70-90% of the cancer risk is due to extrinsic factors. Examples of these factors could be smoking, UV radiation and many others that have not been identified. The study was done by researchers at the Stony Brook Cancer Centre in New York. Yusuf Hannun, director of this center, told the BBC: “External factors play a big role, and people cannot hide behind bad luck.” Cancer is a major health problem around the globe, bringing pain and sorrow to many people, so let’s hope we all be aware of these extrinsic factors in our modern lifestyle and find ways to protect against cancers.

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