How Many Different Types Of Diseases Are There?

What’s the biggest killer in the world?

ischaemic heart diseaseThe 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 is the deadliest disease in history?

Cholera, bubonic plague, smallpox, and influenza are some of the most brutal killers in human history. And outbreaks of these diseases across international borders, are properly defined as pandemic, especially smallpox, which throughout history, has killed between 300-500 million people in its 12,000 year existence.

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 names of diseases?

What is BRIAutoimmune Diseases.COVID19 & Infectious Diseases.Allergies & Asthma.Cancer.Celiac Disease.Crohn’s & Colitis.Heart Disease.Liver Disease.More items…

What disease is similar to the bubonic plague?

In virtually every textbook the Bubonic Plague, which is spread by flea-ridden rats, is named as the culprit behind the chaos. But mounting evidence suggests that an Ebola-like virus was the actual cause of the Black Death and the sporadic outbreaks that occurred in the following 300 years.

What diseases have no cures?

Some of the common medical conditions of people requiring care at the end of life include:cancer.dementia, including Alzheimer’s disease.advanced lung, heart, kidney and liver disease.stroke and other neurological diseases, including motor neurone disease and multiple sclerosis.Huntington’s disease.muscular dystrophy.More items…•

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.

What was the longest pandemic?

The Spanish flu pandemic was the largest, but not the only large recent influenza pandemic. Two decades before the Spanish flu the Russian flu pandemic (1889-1894) is believed to have killed 1 million people. Estimates for the death toll of the “Asian Flu” (1957-1958) vary between 1.5 and 4 million.

What was 1820 epidemic?

“1720 — Plague; 1820 — Cholera outbreak; 1920 — Spanish flu; 2020 — Chinese coronavirus.

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 the top 5 worst 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…

What disease does not exist anymore?

Two infectious diseases have successfully been eradicated: smallpox and rinderpest. There are also four ongoing programs, targeting poliomyelitis, yaws, dracunculiasis, and malaria.

What are the two main types of disease?

Diseases can be grouped into two types:communicable , which are caused by pathogens and can be transferred from one person to another, or from one organism to another – in humans these include measles, food poisoning and malaria.non-communicable , which are not transferred between people or other organisms.

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.

What are the common human diseases?

Common IllnessesAllergies.Colds and Flu.Conjunctivitis (“pink eye“)Diarrhea.Headaches.Mononucleosis.Stomach Aches.

When was last pandemic in history?

The 1918 influenza pandemic was the most severe pandemic in recent history. It was caused by an H1N1 virus with genes of avian origin. Although there is not universal consensus regarding where the virus originated, it spread worldwide during 1918-1919.

What famous person died 2020?

A number of such celebrities passed away in 2020 including Kobe Bryant, Chadwick Boseman and Naya Rivera. Bryant passed away in a helicopter crash on January 26 in Calabasas, California, alongside his 13-year-old daughter, Gianna, and seven others. He was 41.

Which is the most contagious disease?

Keep these eight highly contagious diseases on your radar and find out how to prevent them.Norovirus (“Stomach Flu”) … Influenza. … Meningitis. … Hand, Foot and Mouth Disease (HFMD) … Pertussis. … Sexually Transmitted Infections (STIs) … MRSA. … Tuberculosis (TB)More items…

What animal kills the most humans?

MosquitoesListSource: CNETAnimalHumans killed per year1Mosquitoes1,000,0002Humans (homicides only)475,0003Snakes50,0007 more rows

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.