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The top 10 deadliest diseases in the world

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The top 10 deadliest diseases in the world

 

Sadly, the world we live in is surrounded with a variety of diseases that do not only make us healthy but many of which can result in death. Of course we know about HIV/AIDs but there are hundreds of other diseases that the researchers are still yet to find the cure for.

For all it is worth, many of the headline-grabbing diseases do not make the list of the top 10 deadliest diseases. Of the over 56 million people that gave up the ghost in 2015, over 65% of them died of diseases that develop slowly and have not gotten the attention they deserve.

 

The top 10 deadliest diseases in the world

  1. Coronary Artery Disease (CAD) or Coronary Heart Disease (CHD)

Although it is hard to come by on health stories headlines, CAD has made itself the king to become the world’s deadliest disease. Only this disease alone claims over 16% of the global annual mortality with over 8.8 million recorded deaths in 2015. The risk factors of Coronary Artery Disease include high blood pressure which at most time end up in stroke, heart attack or even death, high cholesterol, diabetes and overweight.

  1. Stroke

Stroke is only second to CAD in our list of top 10 deadliest diseases. This disease occurs when the brain is deprived of the enough oxygen that it needs. The brain cells begin to die as this happens. Risk factors of stroke include hypertension, family history of stroke, tobacco smoking and many more.

The top 10 deadliest diseases in the world
Wikimedia Common image – CCO 3.0 (public domain)
  1. Respiratory infections

Viruses such as the one threatening the world at the moment; coronavirus cause respiratory infections. Most of these infections are caused due to pneumonia or flu. Common symptoms are cough, fever and breathing difficulties. The risk factors are asthma, HIV, smoking, flu and weak immune system.

  1. Chronic obstructive pulmonary disease

Just like coronavirus, COPD affects the lung the most and then transfer to other organs if left unattended to. COPD causes over 3.5 million global deaths annually, claiming roughly 6% of deaths worldwide. The risk factors include smoking, respiratory infections, lung irritants and AATD gene.

  1. Lung cancers

Cancers of lungs, bronchus and trachea cause about 4 million deaths annually, asserting a 3% of worldwide deaths. It is mainly caused by environmental toxins, household pollution and smoking. While these can cancer do not discriminate, they mostly influence smokers and those that inhale environmental and household toxins.

  1. Diabetes

While the actual cause of type 1 diabetes is still unclear, it alongside others such as type 2 and type 3 manage to pull over 1.5 million people to their grave annually. Poor diet and lack of exercises are among the causes of type 2 diabetes. Other risk factors of diabetes are hypertension, old age and disproportionate body weight.

  1. Alzheimer’s disease

This disease unlike the previous ones leads to memory loss, not usually death. Nevertheless, it claims over 1.5 million annual deaths worldwide. Risk factors include unhealthy lifestyle, previous head trauma, mild cognitive impairment, among others.

  1. Diarrheal diseases

Excessive passage of waste products in the body leads to the loss of salt and water. This causes hydration and if not cared for can lead to death. The risk factors are malnourishment, frail immune system, feeding on dirty water and many others.

  1. Tuberculosis

Tuberculosis is also a lung condition but is caused by bacteria rather than virus. It becomes even more deadly in people suffering from HIV. It claims over 1.4 million annual deaths worldwide. Other factors that aid TB development are diabetes, medications side effects and lower body weight.

  1. Cirrhosis

Cirrhosis is caused by kidney and liver diseases, hepatitis and excessive intake of alcohol. Over 1 million people die from this annually mostly through lifestyles that damage the liver.

 

Bottom line

Some diseases are deadlier than we believe them to be. Nonetheless, they do not get hype because they are silent killers. It is important to live a healthy lifestyle and practice healthy diet. Do exercises and undergo weight management. All these will prevent you from developing these top 10 deadliest diseases.

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