8 World’s Leading Causes of Death

Everyone is aware of birth and death in living organisms; yet, people have a finite lifespan that is determined by their health. Whether natural or unnatural, everyone’s life must come to an end at some point. Natural causes such as influenza, old age, and heart disease are the major causes of mortality. When compared to unnatural fatalities, natural deaths are less common (accidents, suicide, homicide). Cardiovascular disorders are the main cause of natural mortality, with about 500 to 600 fatalities per 100,000, followed by infections, cancer, and stroke.

Cardiovascular Diseases

Heart attack is a well-known disease across the world, with about 17.9 million deaths in 2015. Older people are the ones that suffer the most from cardiovascular disease (highest at the age between 60 and 80).

Deaths per 100,000: 268
Group: A
Causes: High blood pressure, smoking, diabetes, lack of exercise, obesity, excessive alcohol consumption, poor diet.
Prevention: Healthy eating, exercise, avoiding tobacco smoke, limited alcohol intake Treatment: Treating high blood pressure, high blood lipids, diabetes

Cardiovascular diseases

Parasitic infection

Deaths per 100,000: 211
Group: B
Causes: Contaminated food and water, bug bites.
Treatment: Usually treated with drugs, Consult with your healthcare provider.
Prevention: Wash your hands regularly, Drink clean water, cook food at the recommended temperature, Avoid drinking water from lakes, streams, or ponds.

Infectious by Mosquitoes

Respiratory infections and Diseases

There are many types of infections, categorized two are Upper respiratory tract infection and Lower respiratory tract infections.

Upper respiratory tract infection

  • headaches
  • stuffed or a runny nose
  • a sore throat
  • sneezing
  • muscle aches and pain

Lower respiratory tract infections

  • breathlessness
  • aches and pains
  • wheezing
  • a sore throat
  • headaches
  • fever and chills
  • blocked nose and sinuses

Respiratory Diseases

  • Neonatal diseases
  • Pulmonary vascular disease
  • Pleural cavity diseases
  • Malignant Tumors (lung cancer, Lymphoma, Head and neck cancer)
  • Benign Tumors
  • Restrictive lung diseases

Deaths per 100,000: 184
Group: B.1 (Infection), B.1.1 (Lower respiratory tract infections, D (Diseases).

Fever Testing

Coronary artery disease

Deaths per 100,000: 116
Group: A.1
Causes: Atherosclerosis of the arteries of the heart
Prevention: Healthy diet, regular exercise, maintaining a healthy weight, quit smoking.
Treatment: Coronary artery bypass surgery (CABG), Percutaneous coronary intervention (PCI).

Coronary artery disease


Deaths per 100,000: 114
Group: C
Causes: Chemicals, Diet and exercise, Infection, Radiation, Heredity, Physical agents, Hormones, Autoimmune diseases.
Prevention: Dietary, Medication, Vaccination. Management: Chemotherapy, Radiation, Surgery, Palliative care, Immunotherapy, Laser therapy, and Alternative medicine.

Cancer cause by Cigarette


Deaths per 100,000: 88
Group: A.2
Causes: Thrombotic stroke. Embolic stroke, Cerebral hypoperfusion, Venous thrombosis, Intracerebral hemorrhage.
Prevention: Surgery, Diet
Management: Ischemic stroke Hemorrhagic stroke, Stroke unit, Rehabilitation, Self-management.

Unintentional injuries

Deaths per 100,000: 57
Group: E
Unintentional injuries: Motor vehicle crashes, Unintentional positionings, Suffocation, Drowning, Accidental firearm discharges, Burns.



Deaths per 100,000: 44
Group: B.2
Prevention: Safe sex, needle exchange, male circumcision, pre-exposure prophylaxis, Vaccination.
Treatment: Antiviral therapy, Opportunistic infections, Diet, Alternative medicine.
Causes: Human immunodeficiency virus (HIV)

HIV Virus