Quick Answer: What Are The Common Human Diseases?

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 animal kills the most humans?

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

Is a virus a disease or illness?

Viral Infections 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. Viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves.

What are the 4 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 the most difficult disease to diagnose?

Conditions That Are Hard to Diagnose7 / 14. Lyme Disease. … 8 / 14. Fibromyalgia. … 9 / 14. Lupus. … 10 / 14. Parkinson’s Disease. … 11 / 14. Multiple Sclerosis (MS) … 12 / 14. Chronic Fatigue Syndrome. … 13 / 14. Polycystic Ovary Syndrome (PCOS) … 14 / 14. Endometriosis. This happens when the tissue that lines a woman’s uterus grows outside of it.More items…

What is the most rare disease?

Five rare diseases you never knew existedStoneman Syndrome. Frequency: one in two million people. … Alice In Wonderland Syndrome (AIWS) Frequency: currently unknown. … Hutchinson-Gilford Progeria Syndrome (HGPS) Frequency: one in four million. … Alkaptonuria. Frequency: one in one million people globally. … Chronic Focal Encephalitis (Rasmussen’s Encephalitis)

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 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 most common 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.

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.

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.

How many died in Black Friday?

71 peopleAn area of almost two million hectares (four point nine million acres) burned, 71 people killed, and whole townships wiped out, along with many sawmills and thousands of sheep, cattle and horses.

What are 3 common diseases?

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

What are the common diseases?

10 Common Childhood Illnesses and Their TreatmentsSore Throat. Sore throats are common in children and can be painful. … Ear Pain. … Urinary Tract Infection. … Skin Infection. … Bronchitis. … Bronchiolitis. … Pain. … Common Cold.More items…•

What are the most common diseases that humans get in the world?

Approximately half of all deaths caused by infectious diseases each year can be attributed to just three diseases: tuberculosis, malaria, and AIDS. Together, these diseases cause over 300 million illnesses and more than 5 million deaths each year.

What’s the biggest 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.