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Five of the Most Common Killer Diseases

common killer diseases
The Global Post has drawn up a list of the world’s biggest killers by using information from the World Health Organization. Below are a list of some of our most common killer diseases per country.

5. Cirrhosis of the Liver

Caused by excessive drinking, the disease is unique to Mexico as the only place in the world where it is the primary cause of death. Yet the disease is nothing to roll your eyes at: caused by healthy liver tissue being replaced by scar tissue, the scar tissue blocks the flow of blood, nutrients and other important proteins through the liver. Cirrhosis of the liver is the 12th leading cause of death by disease in the world — except for in Mexico, where it’s number one.

4. Tuberculosis

Tuberculosis is often thought of as a disease of the past, but it is still affecting millions of people around the world. In fact, it’s on the rise — the World Health Organization reports around 500,000 new TB cases each year, and it is second only to AIDS as an infectious killer worldwide. A bacterial infection that can spread through the lymph nodes and blood stream to any other part of the body, TB is the leading cause of death in areas such as Pakistan and North and South Africa.


Despite the enormous progress made at slowing down the spread of HIV/AIDS, it is still the leading cause of death throughout most of Africa. Just two years ago, around 25 million people — roughly 70 percent of the global total — were living with HIV/AIDS in Sub-Saharan Africa, and an estimated 1.6 million new HIV infections and 1.2-million AIDS related deaths were reported that same year. In areas such as South Africa, Botswana and Swaziland, the percentage of HIV-prevalence is as high as 26.5 percent.

2. Cancer

It would be hard to find someone not somehow directly affected by cancer. As the second-leading cause of death in the world, cancer has certainly taken its toll — especially in areas such as France, the Iberian peninsula, Austria, Switzerland, the Netherlands and Denmark, where cancer (primarily lung and throat) is the leading cause of death. Classified as the rapid growth of cells, there are more than 100 types of cancer that we currently know about.

1. Heart Disease

It’s no surprise that heart disease tops the list as the world’s deadliest killer, but it is a little shocking to see the massive list of countries where heart disease outranks all other diseases. These countries include Canada, the United States, Russia, Australia, most of South America and part of Africa, to name a few. From first- to third-world countries, heart disease continues to remain the deadliest disease in the world.

– Nick Magnanti

Sources: International Business Times, WebMD 1, WebMD 2, The New York Times, Medical News Today, AVERT, CDC
Photo: Diseases-Causes-Cure blog