Most Common Diseases in the World

There are over 200 diseases that cause immense suffering around the world. There are a list of common diseases, but they’re grouped by their scope: infectious, chronic and non-communicable. Infectious diseases are caused by bacteria, parasites or viruses, while non-communicable diseases occur due to lifestyle patterns like smoking, alcohol consumption, inactivity and obesity. Chronic illnesses fall into several categories including respiratory problems such as asthma or bronchitis. Mumps, malaria, whooping cough and tuberculosis are the most common diseases in the world. They cause millions of deaths annually.

Common Diseases that can be identified as

Six types of diseases that come to mind are contagious (e.g. measles), infectious (e.g. the flu), infectious communicable diseases (e.g. tuberculosis or the plague), chronic, degenerative, and genetic disorders.

As a medical professional you need to be able to identify diseases in six different categories. The six major types of disease can include: bacterial infections (wounds, blood poisoning), viral infections (shingles, cold sores), fungal infections (ringworm), other parasitic organisms (hookworms, fleas) called helminthic infections, and protozoal parasitic diseases such as malaria. These different types of disease can vary widely

Lis of Some major diseases are as follows:

1. Cancer 

2. Diarrhea 

3. Pneumonia

4. Obesity

5. Heart Disease 

6. Diabetes

The most common diseases in the world include cardiovascular disease, cancer, and diabetes. These are often life-threatening diseases that cause death or complications such as blindness, paralysis, or kidney malfunction. The risk of developing these types of diseases increases with age dramatically in developed countries. As a result, people over 50 over represent nearly 80% of the world’s population causing scientists to have a hard time pinpointing the biggest problem happening globally today.

Common infectious diseases include:





Typhoid Fever

Most common sickness among people are –

The most common sickness of people is pneumonia. This can come in many different forms and with that, it could be any one of about 30 distinct diseases. There is no real cure for this sickness except making sure the patient receives proper treatment according to their condition.

Novel Coronavirus (COVID-19)  

According to the World Health Organization, Coronavirus N-19 infects a wide range of mammals with the exception of primates. The virus is found in bronchioles, small airways of the lung and results in more severe symptoms than other coronaviruses. Symptoms include fever, coughing, shortness of breath and pneumonia. Individuals also are susceptible to secondary complications such as shock, encephalitis and myocarditis 

Pneumonia and acute respiratory distress syndrome are the most common causes of death from the novel coronavirus, both in adults and children. Pneumonia is defined as an inflammation or infection in the lungs due to encroachment by amoebic microorganisms on a number of different levels.