The Role of DNA in Cancer Development

What is the average lifespan of a red blood cell?

• Four months

• Two weeks

• One year

• Six months

What is the lifespan of cells in the colon?

• One month

• Six months

• A few days

• One week

Which factor is NOT mentioned as a common cause of cancer?

• Fresh vegetables

• Genetic inheritance

• UV radiation

• Processed meat

What is the impact of UV radiation on cells?

• It strengthens cells

• It increases cell lifespan

• It has no effect

• It damages DNA

What percentage of cancers are estimated to be preventable through healthy lifestyle choices according to the study?

• 60%

• 50%

• 40%

• 25%

How long did the revised study, including data from 69 countries, take to complete?

• Three years

• Two years

• One year

• Five years

According to the video, what percentage of cancers occur due to DNA replication errors?

• 66%

• 40%

• 50%

• 75%

What is the primary cause of most brain and prostate cancers, as found in the study?

• Infections

• Environmental factors

• Lifestyle choices

• DNA copy errors

What does the narrator suggest is necessary besides curing cancer?

• Ignoring it

• Preventing it

• Understanding it

• Funding more

What does the sponsor, Domain dot com, primarily offer?

• Web hosting

• DNA testing

• Cancer research funding

• Nutritional advice