A specific abnormal state that adversely affects the structure or function of all or part of an organism and that is not immediately attributable to any external injury is referred to as a disease. Diseases can be caused by both internal and external factors.
Diseases are typically understood to be distinct medical illnesses that may each be identified by a unique set of signs and symptoms. It’s possible for an internal malfunction to be the root cause of an illness, although external sources like infections are more common. For instance, internal dysfunctions of the immune system can give rise to a wide range of diseases, such as different types of immunodeficiency, hypersensitivity, allergies, and autoimmune disorders.
Disease is frequently used in humans to refer to any condition that causes pain, dysfunction, distress, social problems, or death to the person who is affected, as well as similar problems for those who come into contact with the person. This definition of disease is often used in a more general sense. In this more general sense, it sometimes encompasses injuries, disabilities, disorders, syndromes, infections, isolated symptoms, aberrant behaviors, and atypical variations of structure and function; however, in other contexts and for other purposes, these may be considered to be distinct categories. People can be affected not just physically, but also mentally by diseases, as the experience of acquiring and living with a sickness can alter a person’s outlook on life and how they should live it.
A death that occurs owing to natural causes is referred to as a disease-related death. Infectious diseases, deficient diseases, hereditary diseases (which include both genetic diseases and non-genetic hereditary disorders), and physiological diseases are the four primary categories of illness. Diseases can also be categorized in a variety of other ways, including those that are communicable and those that are not communicable. In humans, coronary artery disease (blood flow obstruction) is the most lethal disease, followed by cerebrovascular disease and lower respiratory infections.
Conditions that fall under the category of neuropsychiatry, such as depression and anxiety, are the ones responsible for the greatest number of cases of illness in developed nations.
Cholera is a disease caused by a bacterium (Vibrio cholerae) that resembles a comma. The disease usually occurs as an epidemic, usually in low-sanitary countries with wars and natural disasters, usually in tropical regions. However, the disease rarely occurs all over the world, which is related to the migration of people. What is cholera? Cholera is a…
Mammary gland cancer, often known as breast cancer, is one of the most frequent forms of cancer in females and affects the mammary gland. A large number of them are of the malignant type, which is what causes cancer cells to multiply. An early diagnosis gives you the chance to stop complications and metastases, which…
The skin and the whites of the eyes might turn yellow when someone has jaundice, which is a set of symptoms. This is because there is a higher concentration of bilirubin both in the blood and in the tissues. There are a few different variations of jaundice. Jaundice – definition Jaundice is a group of…
Stomach pain can be sharp, stinging, dull, last for a few minutes, or be chronic. Pain in the dimple may appear after eating or on an empty stomach. Stomach pain can have many causes. What diseases can cause stomach pain? Stomach pain is pain you feel in the upper abdomen, commonly referred to as foveal pain . Stomach pain is not pleasant,…
When blood leaks into the middle of the digestive tract, this condition is known as a gastrointestinal hemorrhage. External indications of internal gastrointestinal hemorrhage include vomiting that is either bloody or dusty, stools that are tarry, or feces that include blood. Symptoms of gastrointestinal hemorrhage Haemorrhage (bleeding) from the gastrointestinal tract can occur as a…
Endometriosis is distinguished by excruciating pain in the pelvic region, which frequently coincides with the onset of menstruation. However, it is also possible for it to take place regardless of the phase that the cycle is in. In many situations, the pain is so distressing that it completely interferes with normal day-to-day activities. Endometriosis is…
Influenza is a serious viral respiratory infection with the highest death rate. Influenza epidemiology covers seasonality (winter months of the year), worldwide prevalence, and virus type. Changes in the antigens of the individual strains of the virus are observed every year. The incidence of influenza only gives short-term immunity – up to several months, and only against the…
There are a wide variety of possible causes for both throwing up and diarrhea, the most common of which include viruses, food poisoning, and drugs. It is possible that the individual has a food intolerance or allergy if the symptoms recur frequently and are triggered by meals. On the other hand, there are more dangerous…
Bacterial dysentery is an infectious intestinal disease, contagious, caused by the bacteria of the bacillus (Shigella). Typical lesions that occur in the intestines: large and straight. Dysentery, or bloody diarrhea (dysentery), was described by Hippocrates as a clinical unit in antiquity. It is still endemic and epidemic in developing countries. A few words about bacterial dysentery … –…
The common condition known as diarrhea is a condition that causes a person to defecate more frequently than normal. It is frequently accompanied by a shift in the consistency of the stools as well as a change in their smell. There is a possibility that diarrhea will cause the body to experience general weakness, fever,…
