The main cause is cooking
Answer:
Whole grains contain all parts of the grain kernel. ... But refined grains, like the flour used to make white bread, have had the fiber-dense bran and the nutrient-rich germ processed out, leaving only the starchy endosperm.
Explanation:
Answer:
not entirely certain but a possible answer could be "trephination"
Explanation:
people used to cut holes in people's heads to relieve them from mental illness. also called skull drilling.
