What secrets does the body hold? Where do we come from, and what might aging hold in store for us? Consumer genetic testing offers answers to these questions, and is exploding in popularity. A vast range of companies now sell affordable, simple DNA tests directly to consumers, promising buyers information about everything from their athletic potential to their cancer risk.
The news constantly bombards us with headlines announcing yet another thing that may increase cancer risk. From pesticides to cigarettes, burnt toast to nitrates, the list goes on and on.