How many diseases are there in the world?
There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases (including both genetic diseases and non-genetic hereditary diseases), and physiological diseases.
How many known medical conditions are there?
Jennifer Sherman, press secretary for the House Energy and Commerce Committee, pointed to an estimate published by the University of Michigan Medical School that “there are roughly 10,000 diseases afflicting humans, and most of these diseases are considered ‘rare’ or ‘orphan’ diseases.”
How many diseases are there in human body?
Scientists currently estimate that over 10,000 of human diseases are known to be monogenic. Pure genetic diseases are caused by a single error in a single gene in the human DNA.
What are the 10 most common diseases?
- Unintentional injuries.
- Chronic lower respiratory disease.
- Stroke and cerebrovascular diseases.
- Alzheimer’s disease. Deaths in 2017: 121,404.
- Diabetes. Deaths in 2017: 83,564.
- Influenza and pneumonia. Deaths in 2017: 55,672.
- Kidney disease. Deaths in 2017: 50,633.
- Suicide. Deaths in 2017: 47,173.