You should have a colonoscopy every 10 years starting at age 50. Alternatively, you may get a flexible sigmoidoscopy every five years, a double-contrast barium enema every five years or a CT colonography (virtual colonoscopy) every five years. However, a colonoscopy will be needed if any of those results are positive.
Jena Pincott explains that even after a mother gives birth, her babyâs cells remain inside her body â and work tiny wonders. In an excerpt from her book Do Chocolate Lovers Have Sweeter Babies?, Pincott explains that pregnancy is really only the beginning for mother and baby cell-sharing.
All female mammals nurse their young with milk, which is secreted from special glands, the mammary glands. According to Mammal Species of the World, 5,416 species were known in 2006.xcept for the five species of monotremes (egg-laying mammals), all modern mammals give birth to live young. Most mammals, including the six most species-rich orders, belong to the placental group.