What is the most common human illness?

What is the most common human illness?

According to current statistics, hepatitis B is the most common infectious disease in the world, affecting some 2 billion people — that’s more than one-quarter of the world’s population.

What are the different types of ailments?

There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases (including both genetic diseases and non-genetic hereditary diseases), and physiological diseases. Diseases can also be classified in other ways, such as communicable versus non-communicable diseases.

What are the top 5 common viral infections?

Some of the most common viral infections include:

  • Common cold.
  • Influenza (flu)
  • Herpes.
  • Chickenpox.
  • Mumps.
  • Human papillomavirus (HPV)
  • Measles.
  • Rubella.

What are 5 common types of infectious diseases?

Common Infectious Diseases

  • Chickenpox.
  • Common cold.
  • Diphtheria.
  • E. coli.
  • Giardiasis.
  • Infectious mononucleosis.
  • Influenza (flu)

What are the common illnesses in your family?

Family matters: Common diseases affected by family history

  • Cardiovascular disease, high blood pressure and high cholesterol. According to the Centers for Disease Control and Prevention (CDC), cardiovascular disease is the number one cause of death in the United States.
  • Type 2 diabetes.
  • Mental Illness or addiction.
  • Cancer.

What’s the most contagious virus ever?

The most famous and lethal outbreak was the 1918 Spanish flu pandemic, which lasted from 1918 to 1919 and killed between 50 to 100 million people. The disease likely influenced the course of World War I by sickening and killing soldiers.

What are the most common nervous system ailments?


  • Alzheimer’s.
  • Epilepsy/Seizures.
  • Meningitis.
  • Tourette.
  • Migraine.
  • Attention-deficit/hyperactivity disorder (ADHD).
  • Huntington’s.
  • Tropical spastic paraparesis.
  • Locked-in syndrome.
  • What are the most common contagious illnesses?

    The most common contagious diseases are categorized as bacterial, viral, fungal and protozoan. The common cold is highly contagious by inhalation of expelled mucous cold germs in the air and by transferring the viral germs from any surface to the eyes or nose.

    What is the most common illness in the US?

    The respiratory system is vulnerable to a variety of diseases. Upper respiratory infections — including head colds, throat infections and influenza — are generally considered the most common diseases worldwide.

    What are the most common materials?

    The most common building materials are windows and doors. Also materials like Wood, steel, concrete, glass, brick, sheet rock, copper pipe and wire, sealants, insulation, nails, screws, gravel, vinyl flooring, carpeting, paint, asphalt compounds are very common.