Conor Stewart
Research expert covering health & pharmaceuticals in the UK & Europe
Get in touch with us now| Characteristic | 2017 | 2018 | 2019 | 2020 |
|---|---|---|---|---|
| Lifestyle choices | 32% | 33% | 33% | 34% |
| Family history | 27% | 25% | 24% | 28% |
| Random mutations in a person's genes | 14% | 13% | 13% | 13% |
| Environmental causes | 10% | 12% | 12% | 10% |
| Other | 2% | 2% | 2% | 2% |
| Not sure | 16% | 15% | 15% | 13% |
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Source
Sources
Release date
September 2020
More information
Region
United States
Survey time period
2017 to 2020
Number of respondents
around 4,000
Age group
18 years and older
Method of interview
Online survey
Supplementary notes
Original question: Which of the following do you think most cancers are caused by?
Data from 2017-2019 taken from previous versions of the same survey.
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