But a host of other row crops are also used as a source of oils, including cotton, corn, safflower, peanut and flax.

Examples of food provided in the breast cancer clinical trial included peanut soba noodles, steel cut oatmeal, banana flax muffins, sweet potato enchiladas, and Mediterranean white bean soup.

Over the past five years, they built a 700-acre organic farm in eastern France where they grow wheat, rye, lentils, flax, sunflowers and other crops, as well as raising cattle.

Must Farm's residents used the local woodlands -- evidence suggests within a two-mile radius -- to hunt boar and deer, graze sheep, and harvest crops such as wheat and flax as well as wood for construction.

Or add in some ground flax to the dry ingredients.