7 Deadliest Diseases in The World

Poor sanitary conditions, lack of healthcare provisions lead to the cultivation of infections and multiple diseases that are the causes of death of millions of people each year. Here is a look into the 7 deadliest diseases across the globe.

Respiratory Cancers

This includes cancers of lungs, trachea, bronchi, and larynx. The main causes are environmental toxins, secondhand smoke, and smoking. Household pollutants like mold and smoke also play a significant role in this deadly disease.


Stroke causes as there is a blockage in the artery of the brain. This causes as the brain cells are deprived of oxygen. As a person has a stroke attack, he feels confused and numbness and may encounter troubles in seeing in walking.

Ischemic heart disease

Also known as atherosclerotic or coronary, the Ischemic heart disease is responsible for killing more than 8 million people across the globe. There is narrowing down of the blood vessels and obstruction in the free flow of blood. Some of the common symptoms of this disease include shortness of breath, chest pain, and even heart attacks.

Chronic Obstructive Pulmonary Disease

This is one of the most deadly diseases in which the lungs do not get the prerequisite air resulting in mucus discharge, shortness of breath and cough. It is seen more in people suffering from chronic bronchitis.


This deadly disease is caused and transmitted by the infected mosquitoes. Symptoms include shivering, fever, vomiting, headache and even coma. If left untreated, the disease can cause the death of the individual.


The virus causes damage to the immune system of the body owing to which it fails in resisting the harmless infections causing death. The transmission of the virus occurs through blood as well as other body fluids such as rectal and vaginal fluids, semen and pre-semen fluid, breast milk.


This may cause due to the handling of materials from the infected animals. The earlier symptoms are inclusive of a headache, fever, backache, diarrhea, vomiting. Patients die from shock as the bodies do not get the prerequisite blood flow.
Proper medication and taking serious care may, however, save a person from dying owing to these diseases.