Fred Hutchinson Cancer Research Center


Research Study Looking for Volunteers

Flaxseed and many nuts contain lignans.
The "phytochemicals" are thought to be beneficial to health but it is not clear how they work.

Help us research how flaxseed lignans affect the colon.

Who is Eligible

  • Men and women, ages 20-45, non-smokers
  • Don't eat a lot of vegetables
  • Not on any prescription medications (including oral contraceptives)
  • Women—not pregnant or breastfeeding

Main Activities

12 months

  • Take study capsules
  • Blood draws, stool and urine collections
  • Sigmoidoscopies
  • Receive $700 for participating

participant headshots


If you have questions,
write to us at
or call (206) 667-4353.