# data[].attributes.body
He invented the microscope in 1666 which helped others see things that were not visible to the human eye.

# data[].attributes.body
He identified the tube between the throat and the ear and this allowed other doctors to see how the body functioned.

# data[].attributes.body
In the 20th century, computer technology was a big help to medical science and today they are still a big help

# data[].attributes.body
Stethoscope was invented, which doctors still use.

# data[].attributes.body
Causes of diseases hadn't been discovered and many were fatal, if it were still like this the population would be very low.

# data[].attributes.body
Romans implemented use of sewers for waste and waterways for clean water, this is important because it would be unhealthy to have dirty water.

# data[].attributes.body
people believed illness and disease were caused by evil spirits and demons. If people still thought like this then more people would be getting sick and have a shorter life span.

# data[].attributes.body
In 1987, the Omnibus Budget Reconciliation Act established regulations for the education and certification of nursing assistants and this helped prepare them.

# data[].attributes.body
He discovered viruses in 1892 which made it possible for doctors to identify more viruses.

# data[].attributes.body
Developed a vaccination for smallpox in 1796, this is still used today.

# data[].attributes.body
In 1954, the first successful kidney transplant in humans was performed and since then many people's lives have been saved thanks to kidney transplants.

# data[].attributes.headline
Francis Crick & James 
          Watson 

# data[].attributes.subject
Francis Crick & James 
          Watson 

# data[].attributes.body
In 1953, they explained the structure of DNA and how it carries genetic information. This helped understand genetics more.

# data[].attributes.body
Identified that white blood cells protect the body against disease and this has helped doctors figure out more causes to diseases.

# data[].attributes.body
He discovered X-rays in 1895 and X-rays still help people.

# data[].attributes.body
She founded the American Red Cross in 1881 which has helped lots of people.

# data[].attributes.body
He began using disinfectants and antiseptics during surgery to prevent infection which was important because he didn't start using these, infection would spread quickly.

# data[].attributes.body
He described the circulation of blood to and from the heart, which let people know how our bodies function.

# data[].attributes.body
Leonardo da Vinci was important because he used dissection to draw the human body which helped others see what the body looked like.

# data[].attributes.body
Known as the "father of medicine", he recorded symptoms and signs of different diseases. He's important because he was actually keeping track and trying to figure out the reasons people would get sick.

# data[].attributes.body
The first people who recorded accurate health records. I think this was important because it was like the beginning of health care.