World’s Ten Deadliest Diseases
Many people will think that Ebola comes first in the list of deadliest diseases. You will be surprised to know that Ebola do not make to the list. There are many other deadly diseases which are actually preventable, but the lack of good quality health care and lack of access to preventive care make them high risk diseases.
- Coronary Artery Disease- This disease occurs when the blood vessels that supply blood to the heart becomes narrowed. More than 13.2 % of all deaths occur due to this disease. This is the most common heart disease.
- Stroke- Stroke occurs when the artery supplying blood to the brain gets blocked or leaks. The brain gets deprived of oxygen and the brain cells begin to die within minutes. 11.9 % of all deaths are due to stroke.Stroke is also the chief cause of disability.
- COPD or Chronic Obstructive Pulmonary Disease- This is a lung disease which makes it hard for the patient to breathe.Chronic bronchitis and emphysema are different types of COPD. Smoking and air pollution are the main causes.
- Lower Respiratory Infections- These infections include bronchitis, pneumonia and influenza. According to WHO estimates, 5.5 % of deaths are due to lower respiratory infections.
- Respiratory Cancers- Cancer of the lungs, trachea and bronchus are called respiratory cancers. 2.9 % of global deaths are due to the respiratory cancer. The main causes are smoking, second -hand smoke and environmental pollution.
- HIV/AIDS- Human immunodeficiency virus attacks the immune system and cause AIDS or acquired immunodeficiency syndrome. 2.7 % deaths worldwide are due to AIDS.HIV is widespread in sub-Saharan Africa, where almost one in 20 adults has it.
- Diarrheal Diseases- Passing three or more loose stools in a day is considered as diarrhea. During the condition, the body loses too much water and salts. Death occurs due to dehydration.Diarrhea is caused by an intestinal infection transmitted through viruses, bacteria, or even parasites present in contaminated water or food. 2.7 % of total deaths are due to diarrhea.
- Diabetes Mellitus- Diabetes affects the production and use of insulin by the body.Poor diet, lack of exercise and obesity are the major causes of this disease.People in low to middle income groups are more likely to die from complications of diabetes.
- Preterm Birth Complications- Premature birth and low birth weight are the causes of infant deaths within the first week of life.
- Tuberculosis- This is a lung condition caused by Mycobacterium tuberculosis bacteria. Some strains of TB are resistant to treatments.