What Are The Causes Of Diseases?

Infectious diseases can be caused by:

  • Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.
  • Viruses. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS.
  • Fungi.
  • Parasites.

Potential causes or triggers of Meniere’s disease include:

  • Head injury.
  • Infection to the inner or middle ear.
  • Allergies.
  • Alcohol use.
  • Stress.
  • Side effects of certain medications.
  • Smoking.
  • Stress or anxiety.

Huntington’s disease is caused by an inherited defect in a single gene. Huntington’s disease is an autosomal dominant disorder, which means that a person needs only one copy of the defective gene to develop the disorder.Not actually a disease, degenerative disc disease is a condition in which pain is caused by a disc that wears down. Several factors can cause discs to degenerate, including: Drying out of the disc with age. Tears in the outer portion of the disc due to daily activities and sports.Peyronie’s disease is likely caused by minor injury to the penis. (See penile trauma.) This type of damage is most often caused by vigorous sex (such as bending the penis during penetration or pressure from a partner’s pubic bone), though it can also be caused by sports or other accidents.Addison’s disease is caused by damage to your adrenal glands, resulting in not enough of the hormone cortisol and, often, not enough aldosterone as well. Your adrenal glands are part of your endocrine system. They produce hormones that give instructions to virtually every organ and tissue in your body.It’s not clear what causes Hirschsprung’s disease. It sometimes occurs in families and might, in some cases, be associated with a genetic mutation. Hirschsprung’s disease occurs when nerve cells in the colon don’t form completely. Nerves in the colon control the muscle contractions that move food through the bowels.Causes

  • Problems with genes or chromosomes in the child, such as Down syndrome.
  • Taking certain medications, or alcohol or drug abuse during pregnancy.
  • A viral infection, like rubella (German measles) in the mother in the first trimester of pregnancy.
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Polycystic (polly-SIS-tick) kidney disease (PKD) is a genetic disease. This means that it is caused by a problem with your genes. PKD causes cysts to grow inside the kidneys. These cysts make the kidneys much larger than they should be and damage the tissue that the kidneys are made of.Cushing’s syndrome can be caused by medication or by a tumor. Sometimes, there is a tumor of the adrenal gland that makes too much cortisol. It may also be caused by a tumor in the pituitary gland (a small gland under the brain that produces hormones that in turn regulate the body’s other hormone glands).Causes. Mitochondrial disorders may be caused by mutations (acquired or inherited), in mitochondrial DNA (mtDNA), or in nuclear genes that code for mitochondrial components. They may also be the result of acquired mitochondrial dysfunction due to adverse effects of drugs, infections, or other environmental causes.

What are the two causes of disease?

Two main causes of disease are Immediate cause and Contributory cause: Immediate cause are the organisms that enter our body and cause disease. For Example, viruses, protozoa, bacteria. Contributory causes: These are the secondary factors which lead these organisms to enter our body.

What are causes of diseases Class 9?

  1. Immediate cause: The organisms that enter our body and causes disease is called immediate cause. For example, virus, bacteria, protozoa etc.
  2. Contributory cause: The secondary factors which led these organisms enter our body are called as contributory cause.

How do diseases affect your health?

Health Conditions & Diseases. Few things impact your life more than a serious health problem. Chronic diseases, including heart disease, stroke and diabetes; cancer; and communicable diseases affect the health of millions of people and cost billions of dollars in medical expenses every year in Missouri.

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What is etiology of a disease?

Definition of etiology. 1 : cause, origin specifically : the cause of a disease or abnormal condition. 2 : a branch of knowledge concerned with causes specifically : a branch of medical science concerned with the causes and origins of diseases.

Can a disease be cured?

The term “cure” means that, after medical treatment, the patient no longer has that particular condition anymore. Some diseases can be cured. Others, like hepatitis B, have no cure. Medical professionals use medicine, therapy, surgery, and other treatments to help lessen the symptoms and effects of a disease.

What are the three causes of diseases?

Infectious diseases can be caused by:

  • Bacteria. These one-cell organisms are responsible for illnesses such as strep throat, urinary tract infections and tuberculosis.
  • Viruses. Even smaller than bacteria, viruses cause a multitude of diseases ranging from the common cold to AIDS.
  • Fungi.
  • Parasites.

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