Technology has brought some medical advances, most notably in the expanded use of antibiotics after World War II. Physicians say that most of medicine today was discovered in the past 65 years. The modern inventions of the MRI and CAT scan have improved the ability view the human body, and treat illness. Other modern developments, such as widespread vaccination and insecticides, are more controversial. Preventive vaccination is credited with eliminating the terrible diseases of polio and smallpox, but other, newer vaccines are opposed by many parents. | Technology has brought some medical advances, most notably in the expanded use of antibiotics after World War II. Physicians say that most of medicine today was discovered in the past 65 years. The modern inventions of the MRI and CAT scan have improved the ability view the human body, and treat illness. Other modern developments, such as widespread vaccination and insecticides, are more controversial. Preventive vaccination is credited with eliminating the terrible diseases of polio and smallpox, but other, newer vaccines are opposed by many parents. |