Scientists don’t know for sure. Since chemotherapy and radiation kill cells that divide often, stem cells may be less vulnerable because they rarely divide. Some scientists believe cancer stem cells may have genetic mutations that make them resistant to damage from chemotherapy or radiation, or cancer stem cells may be able to repair DNA damage more rapidly than normal cells.
It seems that every day modern medicine is telling us to take more prescription drugs. Yes, there’s a drug for everything. While some drugs are very useful and do save lives, there is a limit to how many of these the body can withstand. I believe that taking herbs whenever possible is the better and more healthy way to go. There are many herbs that work as well or better than prescription medicine for certain conditions. An example would be taking ginger rather than Dramamine. In scientific tests, ginger was found to be more effective in preventing motion sickness.
Another well know spice in the kitchen cinnamon is also known for it's medicinal properties. While not really an herb I still think it's important to list it in our list of herbs and their uses. Cinnamon actually comes from the inner bark of a tree in the laurel family. It's been used for centuries and was a hot commodity for trade in ancient times. In fact during the first century A.D. in Rome cinnamon was 15 times more expensive than silver. The Chinese were probably the first to use cinnamon as a medicinal herb and used it to treat fevers, and diarrhea. In more modern times cinnamon has been found to stabilize blood sugar levels in diabetics, as it has an insulin kind of effect.