What are the effects of diseases?

Diseases can affect people not only physically, but also mentally, as contracting and living with a disease can alter the affected person's perspective on life. Death due to disease is called death by natural causes.

What are the causes and effects of a disease?

In epidemiology, the “cause” is an agent (microbial germs, polluted water, smoking, etc.) that modifies health, and the “effect” describes the the way that the health is changed by the agent. The agent is often potentially pathogenic (in which case it is known as a “risk factor”).

How does disease affect life?

In most cases, a chronic disease affects every aspect of a person's life. This can include physical and mental health, family, social life, finances, and employment. Chronic diseases can also shorten a person's life. This is especially true if the disease is not diagnosed and treated properly.

What are the common effects of infectious diseases?

General signs and symptoms common to a number of infectious diseases include:

• Fever.
• Diarrhea.
• Fatigue.
• Muscle aches.
• Coughing.

Feb 18, 2022

How do diseases affect the world?

Infectious diseases are the world's greatest killers, accounting for more than 13 million deaths annually among children and young adults alone. Most deaths from infectious diseases occur in developing countries, where they account for half of all deaths.

What are the 4 types of diseases?

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.

How are diseases caused?

Infectious diseases in humans are caused by microorganisms including: Viruses that invade and multiply inside healthy cells. Bacteria, or small, single-celled organisms capable of causing disease. Fungi, which include many different kinds of fungus.

How does disease impact society?

The economic costs of infectious diseases—especially HIV/AIDS and malaria—are significant. Their increasing toll on productivity owing to deaths and chronic debilitating illnesses, reduced profitability and decreased foreign investment, has had a serious effect on the economic growth of some poor countries.

How does disease affect family?

Some studies suggest that having a child with a chronic illness has a negative impact on the relationship, including lack of time with the spouse, communication problems, higher divorce rates, increased relationship conflict, increased role strain, and decreased relationship satisfaction.

What are the 5 most common diseases?

So, without further ado, here are the five most common infectious diseases.

• Hepatitis B. 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. …
• Malaria. …
• Hepatitis C. …
• Dengue. …
• Tuberculosis.

Dec 29, 2013