What Is The Most Common Illness?

What are the causes of common illness?

Infectious diseases can be caused by:Bacteria.

These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.Viruses.

Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS.Fungi.

Parasites..

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.

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.

What has killed the most humans in history?

Wars and armed conflicts with highest estimated death tolls of 100,000 or moreEventLowest estimateHighest estimateWorld War II60,000,000118,357,000Three Kingdoms36,000,00040,000,000Mongol conquests30,000,00057,000,000European colonization of the Americas8,400,000138,000,00047 more rows

What are man made diseases?

Man-Made Diseases Defined For the purposes of this discussion, the man-made diseases are defined as those diseases which would not have occurred if man had not deliberately interfered with his environment 1.

What disease kills the fastest?

Flesh Eating Bug. This bug can quickly sweep through the body eating the body’s soft tissue. … Cholera. This is an intestinal disease caused by eating contaminated water or food and can kill anyone within hours. … Enterovirus D68. … Bubonic Plague. … Ebola. … Dengue Fever.

What is the number one killer in the world?

The world’s biggest killer is ischaemic heart disease, responsible for 16% of the world’s total deaths. Since 2000, the largest increase in deaths has been for this disease, rising by more than 2 million to 8.9 million deaths in 2019.

What disease affects the body as a whole?

A systemic disease is one that affects a number of organs and tissues, or affects the body as a whole.

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 diseases are cured?

5 Diseases That May Be Cured Within Our LifetimeHIV/AIDS. The Human Immunodeficiency Virus, or HIV, was only discovered mere decades ago. … Alzheimer’s Disease. Alzheimer’s affects nearly 5.7 million Americans who struggle with varying stages of dementia. … Cancer. Cancer refers to the uncontrolled growth of abnormal cells in the body. … Cystic Fibrosis. … Heart Disease.

What are common illnesses?

Common IllnessesChest Cold (Acute Bronchitis) Cough, mucus.Common Cold. Sneezing, runny or stuffy nose, sore throat, cough.Ear Infection. Ear pain, fever.Flu (Influenza) Fever, cough, sore throat, runny or stuffy nose, body aches.Sinus Infection (Sinusitis) … Skin Infections. … Sore Throat. … Urinary Tract Infection.

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…

What is the most common illness in the world?

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.

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 most common diseases in humans?

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…

What is the scariest disease?

Here’s what you need to know about the world’s scariest diseases, and how best to avoid them on the road…Ebola. What is Ebola? … Kuru disease. What is Kuru disease? … Naegleria fowleri. What is Naegleria fowleri? … Guinea worm disease. What is Guinea worm disease? … African trypanosomiasis. … River blindness. … Buruli ulcers.

What illness causes the most deaths?

The following data is taken from the CDC’s 2017 report .Heart disease. Number of deaths per year: 635,260. … Cancer. Number of deaths per year: 598,038. … Accidents (unintentional injuries) Number of deaths per year: 161,374. … Chronic lower respiratory diseases. … Stroke. … Alzheimer’s disease. … Diabetes. … Influenza and pneumonia.More items…

What are the four types of infection?

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