Quick Answer: What Is Disease Simple Words?

What are the 5 diseases?

Infectious diseases can be any of the following:Chickenpox.Common cold.Diphtheria.E.

coli.Giardiasis.HIV/AIDS.Infectious mononucleosis.Influenza (flu)More items….

What is the main cause of disease?

Infectious diseases are disorders caused by organisms — such as bacteria, viruses, fungi or parasites. Many organisms live in and on our bodies. They’re normally harmless or even helpful. But under certain conditions, some organisms may cause disease.

What are some examples of diseases?

What are Infectious Diseases? Infectious diseases are diseases caused by living organisms like viruses and bacteria. They can be passed from person to person through body secretions, insects or other means. Examples are SARS, influenza, the common cold, tuberculosis (TB), Hepatitis A and B.

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 disease can cure?

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.

Which plague killed the most?

the Black DeathThe most fatal pandemic in recorded history was the Black Death (also known as The Plague), which killed an estimated 75–200 million people in the 14th century. The term was not used yet but was for later pandemics including the 1918 influenza pandemic (Spanish flu).

What is the number one killer in the world?

Cardiovascular disease is the top cause of death globally.

What are the six diseases?

Childhood mortality: six killer diseases and how to stop themPneumonia. Pneumonia, usually caused by a bacterial infection, is a disease in which the air sacs in the lungs become inflamed and fill up with fluid. … Diarrhoea. Diarrhoea is caused by an infection in the intestinal track. … Malaria. … Meningitis. … HIV. … Measles.

What is the difference between curable and treatable?

For example, some contrasted treatability with curability, explaining that the word “treatable” implies that the intervention cannot cure a disease (i.e., the disease is “treatable,” but not “curable”): “When I imagine a physician using the term ‘treatable,’ it means he’s trying not to use the term ‘incurable.

What is a simple definition of a disease?

Disease definitions The definition of a disease is an illness or sickness with specific, well-defined symptoms that affects a person, plant or animal. An example of a disease is cancer.

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 is the number 1 killer in the world?

Heart disease—most commonly caused by coronary artery and valvular diseases—is the #1 killer in the United States. It accounted for almost one-fourth of all registered deaths.

What are the five signs of infection?

Know the Signs and Symptoms of InfectionFever (this is sometimes the only sign of an infection).Chills and sweats.Change in cough or a new cough.Sore throat or new mouth sore.Shortness of breath.Nasal congestion.Stiff neck.Burning or pain with urination.More items…

Which disease has no cure?

HIV/AIDS – No cure exists for HIV/AIDS, but medication exists that can help control the symptoms of it. Huntington’s disease – Inherited disease that causes the progressive breakdown (degeneration) of nerve cells in the brain. Hydrocephalus – No cure exists for this (physical)neurological disorder.

Which disease is caused by virus?

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 are the 7 killer diseases?

Read on to see the top 10 diseases causing the most deaths worldwide, according to the World Health Organization (WHO) .Ischemic heart disease, or coronary artery disease. … Stroke. … Lower respiratory infections. … Chronic obstructive pulmonary disease. … Trachea, bronchus, and lung cancers. … Diabetes mellitus.More items…

Are there drugs that cure diseases?

Medicines are chemicals or compounds used to cure, halt, or prevent disease; ease symptoms; or help in the diagnosis of illnesses. Advances in medicines have enabled doctors to cure many diseases and save lives.

What are the 4 types of infections?

Types of infectionsViral infections. Viruses are very tiny infectious organisms. … Bacterial infections. Bacteria are single-celled microorganisms. … Fungal infections. Fungi are another diverse group of organisms that can include things like yeasts and molds. … Parasitic infections. … Prions.

What are the 5 diseases caused by bacteria?

Bacterial diseaseBacteria.Infectious disease.Cholera.Leprosy.Tuberculosis.Plague.Syphilis.Anthrax.More items…

What is the biggest killer of humans?

Ischaemic heart diseaseIschaemic heart disease and stroke are the world’s biggest killers, accounting for a combined 15.2 million deaths in 2016. These diseases have remained the leading causes of death globally in the last 15 years.

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.