A disease is a particular abnormal condition that negatively affects the structure or function of all or part of an organism, and that is not due to any immediate external injury. Diseases are often known to be medical conditions that are associated with specific symptoms and signs.
Treatment will depend on the cause of the
infection. This article will focus on the most common and deadly
types of infection: bacterial, viral, fungal, and prion.
These include:
- cholera.
- diphtheria.
- dysentery.
- bubonic plague.
- tuberculosis.
- typhoid.
- typhus.
A disease is a particular abnormal condition that negatively affects the structure or function of all or part of an organism, and that is not due to any immediate external injury. Diseases are often known to be medical conditions that are associated with specific symptoms and signs.
Viruses cause familiar infectious diseases such as the common cold, flu and warts. Viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves. This can kill, damage, or change the cells and make you sick.
Infection, often the first step, occurs when bacteria, viruses or other microbes that cause disease enter your body and begin to multiply. Disease occurs when the cells in your body are damaged — as a result of the infection — and signs and symptoms of an illness appear.
They are: (i) Acute Disease. The disease which lasts for only a short period of time is called Acute Disease. For example: Influenza (Flu) , Common cold, etc. (ii) Chronic Disease: The disease which lasts for long period of time is called Chronic Disease.
The most widely used classifications of disease are (1) topographic, by bodily region or system, (2) anatomic, by organ or tissue, (3) physiological, by function or effect, (4) pathological, by the nature of the disease process, (5) etiologic (causal), (6) juristic, by speed of advent of death, (7) epidemiological, and
Medical Definition of Infection
Infection: The invasion and multiplication of microorganisms such as bacteria, viruses, and parasites that are not normally present within the body. An infection may cause no symptoms and be subclinical, or it may cause symptoms and be clinically apparent.Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as HIV/AIDS, smallpox, and Ebola. Viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves.
What is BRI
- Autoimmune Diseases.
- Allergies & Asthma.
- Cancer.
- Celiac Disease.
- Crohn's & Colitis.
- Heart Disease.
- Infectious Diseases.
- Liver Disease.
Monogenic diseases. Monogenic diseases result from modifications in a single gene occurring in all cells of the body. Though relatively rare, they affect millions of people worldwide. Scientists currently estimate that over 10,000 of human diseases are known to be monogenic.
Bacteria are tiny microorganisms that are made up of a single cell. Viruses can invade the cells of your body, using the components of your cells to grow and multiply. Some viruses even kill host cells as part of their life cycle. Read on to learn more about the differences between these two types of infections.
Some diseases can be cured. Others, like hepatitis B, have no cure. The person will always have the condition, but medical treatments can help to manage the disease. Medical professionals use medicine, therapy, surgery, and other treatments to help lessen the symptoms and effects of a disease.
Ischaemic heart disease and stroke are the world's biggest killers, accounting for a combined 15.2 million deaths in 2016. Chronic obstructive pulmonary disease claimed 3.0 million lives in 2016, while lung cancer (along with trachea and bronchus cancers) caused 1.7 million deaths.
A disease is a particular abnormal condition that negatively affects the structure or function of all or part of an organism, and that is not due to any immediate external injury. A disease may be caused by external factors such as pathogens or by internal dysfunctions.
Pathogenic bacteria contribute to other globally important diseases, such as pneumonia, which can be caused by bacteria such as Streptococcus and Pseudomonas, and foodborne illnesses, which can be caused by bacteria such as Shigella, Campylobacter, and Salmonella.
Infection occurs when viruses, bacteria, or other microbes enter your body and begin to multiply. Disease, which typically happens in a small proportion of infected people, occurs when the cells in your body are damaged as a result of infection, and signs and symptoms of an illness appear.
6 Signs You Have an Infected Wound
- Feelings of Malaise. Malaise is a common non-specific sign of a localized systemic infection.
- Running a Fever. Running a fever can cause headaches and decrease your appetite.
- Fluid Drainage.
- Continual or Increased Pain.
- Redness and Swelling.
- Hot Incision Site.
Intentionally. Yogurt and cheese are examples of “living” food. The living component are cultures of bacteria. Lactic acid bacteria take the sugars in milk, break them down, and release lactic acid.
Decrease your risk of infecting yourself or others:
- Wash your hands often.
- Get vaccinated.
- Use antibiotics sensibly.
- Stay at home if you have signs and symptoms of an infection.
- Be smart about food preparation.
- Disinfect the 'hot zones' in your residence.
- Practice safer sex.
- Don't share personal items.
The bacterium Mycobacterium leprae causes leprosy. It's thought that leprosy spreads through contact with the mucosal secretions of a person with the infection. This usually occurs when a person with leprosy sneezes or coughs. The disease isn't highly contagious.
A disease or medical condition is an unhealthy state where something bad happens to the body or mind. Diseases can cause pain, parts of the body to stop working the right way, or death. The word disease is sometimes used to include: unusual shapes of body parts.
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.
The cause of functional neurologic disorders is unknown. The condition may be triggered by a neurological disorder or by a reaction to stress or psychological or physical trauma, but that's not always the case.
Depression has been referred to as a mental disorder, mental illness, and a systemic disease. A mental disorder can be considered an illness that disrupts your normal mental functioning (just as a physical disorder would be one that disrupts your normal physical functioning).
Infectious diseases are caused by microscopic germs (such as bacteria or viruses) that get into the body and cause problems. Some — but not all — infectious diseases spread directly from one person to another. Contagious diseases (such as the flu, colds, or strep throat) spread from person to person in several ways.
A functional disorder is a medical condition that impairs normal functioning of bodily processes that remains largely undetected under examination, dissection or even under a microscope. At the exterior, there is no appearance of abnormality.
About Physiological Disorders
A physiological disorder is a condition in which the organs in the body malfunction causes illness. Examples are Asthma, Glaucoma, Diabetes.Disease, any harmful deviation from the normal structural or functional state of an organism, generally associated with certain signs and symptoms and differing in nature from physical injury. Thus, the normal condition of an organism must be understood in order to recognize the hallmarks of disease.
