How Many Diseases Are In The World?

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 rare diseases are there in the world?

There are between 5 000 and 8 000 rare diseases, most of them with a genetic basis. 1 A very rough estimate would be that one out of 15 persons worldwide could be affected by a rare (“orphan”) disease – 400 million people worldwide, of whom 30 million are in Europe and 25 million in the United States.

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.

What are the most common diseases in the world?

So, without further ado, here are the five most common infectious diseases.

  1. Hepatitis B. According to current statistics, hepatitis B is the most common infectious disease in the world, affecting some 2 billion people — that’s more than one-quarter of the world’s population.
  2. Malaria.
  3. Hepatitis C.
  4. Dengue.
  5. Tuberculosis.

Leave a Reply

Your email address will not be published. Required fields are marked *