27. That’s how many years it took for the United States government to ban DDT for agricultural use.
27 years is how long the American people were exposed to a chemical that was later found to cause a wide variety of health problems including cancer, infertility, miscarriages, nervous system damage, liver damage, and more.
Take a second and think back to when you or your child received a medical treatment or product at the doctor's office. For drugs, you most likely received a multiple-paged sheet with all the directions, contraindications, and possible side effects. For surgery, you've had to sign some kind of disclosure that you're aware of possible negative outcomes. But what about immunizations? Did you receive anything?