At least one-third of cancer cases already are known to be preventable.
http://www.seattletimes.com/opinion/at-least-6-steps-you-can-take-to-help-prevent-cancer/
(At least) 6 steps you can take to help prevent cancer
At least one-third of cancer cases already are known to be preventable.
http://www.seattletimes.com/opinion/at-least-6-steps-you-can-take-to-help-prevent-cancer/