What Is A Simple Disease?

What are the 4 types of infections?

This article will focus on the most common and deadly types of infection: bacterial, viral, fungal, and prion..

What are the 3 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 is disease in very short?

Disease, any harmful deviation from the normal structural or functional state of an organism, generally associated with certain signs and symptoms and differing in nature from physical injury. A diseased organism commonly exhibits signs or symptoms indicative of its abnormal state.

What are the 5 diseases?

Infectious diseases affect billions of people around the globe annually. According to WHO and the CDC, these infectious diseases are the five most common.Hepatitis B. … Malaria. … Hepatitis C. … Dengue. … Tuberculosis.

Can a virus be a disease?

Viruses are very tiny germs. They are made of genetic material inside of a protein coating. Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as HIV/AIDS, Ebola, and COVID-19.

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 is disorder mean?

noun. lack of order or regular arrangement; confusion: Your room is in utter disorder. an irregularity: a disorder in legal proceedings. breach of order; disorderly conduct; public disturbance. a disturbance in physical or mental health or functions; malady or dysfunction: a mild stomach disorder.

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 7 diseases?

In the following pages, we present seven infections from the past that still plague us today.Pneumonic/Bubonic Plague. … Spanish and Swine Flu — H1N1. … Polio. … Chagas Disease. … Leprosy. … Hookworm. … Tuberculosis.

Which is the most contagious disease?

Common cold – This is the most highly contagious and the most common infectious disease in humans. This is an infection that has been a common thing since the existence of humanity.

What is Disease Class 8?

“A disease is a condition that deteriorates the normal functioning of the cells, tissues, and organs.” Diseases are often thought of as medical conditions that are characterized by their signs and symptoms. The disease can also be defined as: “Any dangerous divergence from a functional or normal state of an entity.”

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.