What Are Some Medical Conditions?

Which disease is caused by 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..

What is the #1 killer of teenagers?

Data from the National Vital Statistics System-Mortality The five leading causes of death among teenagers are Accidents (unintentional injuries), homicide, suicide, cancer, and heart disease. Accidents account for nearly one-half of all teenage deaths.

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 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 are serious illnesses?

Serious Illnesses. A. Ischaemic heart disease/Coronary heart disease, heart valves disorders or arrhythmia (irregular heartbeats) B. Cancer.

What’s the deadliest disease ever?

The Black Death: Bubonic Plague. … The Speckled Monster: Smallpox. … Severe Acute Respiratory Syndrome (SARS) … Avian Influenza: Not Just One For The Birds. … Ebola: On The Radar Again. … Leprosy: A Feared Disease That Features In The Old Testament. … Polio: The Most Dreaded Childhood Disease Of The 1940-50s.

How do you know if you have a serious illness?

Fatigue or Weakness Fatigue, or feeling “run-down”, results from a wide variety of conditions. Something as harmless as a lack of sleep or rest can invoke mild forms of fatigue. … If you are so fatigued that no amount of rest can help, it could be a sign of a serious illness like heart disease, diabetes, or sleep apnea.

What are the main causes of diseases?

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.

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%).

What is the most common medical condition?

The 25 most common medical diagnosesHypertension.Hyperlipidemia.Diabetes.Back pain.Anxiety.Obesity.Allergic rhinitis.Reflux esophagitis.More items…•

What are examples of medical conditions?

20 Most Common Medical Conditions Affecting Older PeopleArthritis. Arthritis is the breakdown of tissue inside the joints. … Hypertension. Hypertension is a long-term health condition whereby the blood pressure in the arteries is constantly elevated. … Asthma. … Blindness. … Cancer. … Chronic Bronchitis. … Coronary Heart Disease. … Dementia.More items…

What counts as pre existing medical conditions?

A medical illness or injury that you have before you start a new health care plan may be considered a “pre-existing condition.” Conditions like diabetes, COPD, cancer, and sleep apnea, may be examples of pre-existing health conditions. They tend to be chronic or long-term.

What is the number one killer in the world?

Cardiovascular disease is the top cause of death globally. In the map we see death rates from cardiovascular diseases across the world.

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 7 most common chronic diseases?

The Top 7 Most Common Chronic Diseases in the U.SHeart Disease. … Cancer. … Chronic Lung Disease. … Stroke. … Alzheimer’s. … Diabetes. … Kidney Disease.

What causes most deaths in the world?

The leading causes of death in the world – can they be cured?Lower respiratory infections.Chronic obstructive pulmonary disease (COPD) … Lung cancer, trachea and bronchus. … Diabetes. … Alzheimer’s disease. … Diarrhoeal diseases. … Tuberculosis (TB) … Road accidents. Tragically, as many as 1.3 million deaths are a result of road accidents every year. … More items…

What illnesses mean?

English Language Learners Definition of illness : a condition of being unhealthy in your body or mind. : a specific condition that prevents your body or mind from working normally : a sickness or disease. See the full definition for illness in the English Language Learners Dictionary. illness. noun.

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…