What is the deadliest disease?
7 Deadliest Diseases in History: Where are they now?The Black Death: Bubonic Plague.
The Speckled Monster: Smallpox.
Severe Acute Respiratory Syndrome (SARS) …
Avian Influenza: Not Just One For The Birds.
Ebola: On The Radar Again.
Leprosy: A Feared Disease That Features In The Old Testament.
Polio: The Most Dreaded Childhood Disease Of The 1940-50s..
How does a disease start?
Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply. Disease, which typically happens in a small proportion of infected people, occurs when the cells in your body are damaged as a result of infection, and signs and symptoms of an illness appear.
What is the rarest disease on Earth?
RPI deficiency According to the Journal of Molecular Medicine, Ribose-5 phosphate isomerase deficiency, or RPI Deficinecy, is the rarest disease in the world with MRI and DNA analysis providing only one case in history.
What are the 7 killer diseases?
When people think of the deadliest diseases in the world, their minds probably jump to the fast-acting, incurable ones that grab headlines from time to time. … Stroke. … Chronic obstructive pulmonary disease. … Trachea, bronchus, and lung cancers. … Diabetes mellitus. … Dehydration due to diarrheal diseases.
Are diseases curable?
Some diseases can be cured. Others, like hepatitis B, have no cure. The person will always have the condition, but medical treatments can help to manage the disease. Medical professionals use medicine, therapy, surgery, and other treatments to help lessen the symptoms and effects of a disease.
What are the 5 most common infectious diseases?
The 5 Most Common Infectious DiseasesHepatitis 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. … Malaria. … Hepatitis C. … Dengue. … Tuberculosis.
What are the 10 most common diseases?
Heart disease. Share on Pinterest Many of the top 10 causes of death are preventable through lifestyle changes and regular checkups. … Cancer. Deaths in 2017: 599,108. … Unintentional injuries. … Chronic lower respiratory disease. … Stroke and cerebrovascular diseases. … Alzheimer’s disease. … Diabetes. … Influenza and pneumonia.More items…•
What are the 5 types of diseases?
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. Diseases can also be classified in other ways, such as communicable versus non-communicable diseases.
What are 5 non infectious diseases?
The four main types of noncommunicable diseases include cardiovascular disease, cancer, chronic respiratory disease, and diabetes….Chronic respiratory diseasechronic obstructive pulmonary disease (COPD)asthma.occupational lung diseases, such as black lung.pulmonary hypertension.cystic fibrosis.