What Are The 5 Types Of Diseases?

How many category of diseases are there?

There are 21 separate categories which encompass all diseases, conditions and areas of health.

Each of the Health Categories includes research into both disease and normal function..

Are diseases curable?

The term “cure” means that, after medical treatment, the patient no longer has that particular condition anymore. 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.

What causes virus?

Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as HIV/AIDS, smallpox, and Ebola. Viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves.

Can a virus be a disease?

Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as HIV/AIDS, smallpox, and Ebola. Viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves.

What is the biggest killer of humans in history?

The biggest killer diseases in historyAIDS – 36 million.Cholera – 40 million.Influenza – 50 million.Plague – 240 million.Smallpox – 500 million.Tuberculosis – 1 billion.Malaria – 50 billion?

What is the biggest killer in the world?

The biggest single killer is cardiovascular disease, which affects the heart and arteries and is responsible for every third death. This is twice the rate of cancers – the second leading cause – which account for about one in six of all deaths.

How many humans die each year?

How many die each year? The first chart shows the annual number of deaths over the same period. In 2015 around 57 million people died. The world population therefore increased by 84 million in that year (that is an increase of 1.14%).

How many Americans died in 2019?

U.S. Death Rate 1950-2020United States – Historical Death Rate DataYearDeath RateGrowth Rate20198.7821.120%20188.6851.220%20178.5801.240%68 more rows

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 are the 3 categories of health?

Mental and physical health are probably the two most frequently discussed types of health. Spiritual, emotional, and financial health also contribute to overall health.

What are the 10 most common diseases?

Read on to see the top 10 diseases causing the most deaths worldwide, according to the World Health Organization (WHO) .Chronic obstructive pulmonary disease. … Trachea, bronchus, and lung cancers. … Diabetes mellitus. … Alzheimer’s disease and other dementias. … Dehydration due to diarrheal diseases. … Tuberculosis. … Cirrhosis.More items…

What are the different causes of disease?

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 biggest killer in the world 2019?

Paris, France – 3 Sept 2019: Cardiovascular disease remains the main cause of death globally, but cancer has overtaken it to become the leading cause of death in some high-income and upper-middle-income countries.

What are type 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 deadliest disease in human 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 are the 5 most common diseases?

So, without further ado, here are the five most common infectious diseases.Hepatitis B. 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. … Malaria. … Hepatitis C. … Dengue. … Tuberculosis.

Which is the world’s deadliest disease?

The deadliest disease in the world is coronary artery disease (CAD). Also called ischemic heart disease, CAD occurs when the blood vessels that supply blood to the heart become narrowed.

Which disease has no cure?

AIDS. Twenty-five years since it was first identified, there is still no cure for Acquired Immune Deficiency Syndrome. AIDS remains among the world’s most potent killers, especially in developing countries. The disease likely started with a chimp to human jump, recent research confirmed.