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 immediately due to any external injury. Diseases are often known to be medical conditions that are associated with specific signs and symptoms.
While there are many different types of diseases, these four categories encompass the vast majority of known illnesses: infectious, genetic, metabolic, and external.
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. A diseased organism commonly exhibits signs or symptoms indicative of its abnormal state.
Infectious diseases commonly spread through the direct transfer of bacteria, viruses or other germs from one person to another.
cancer. dementia, including Alzheimer's disease. advanced lung, heart, kidney and liver disease. stroke and other neurological diseases, including motor neurone disease and multiple sclerosis.
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.
Obesity is a complex disease that occurs when an individual's weight is higher than what is considered healthy for his or her height. Obesity affects children as well as adults. Many factors can contribute to excess weight gain including eating patterns, physical activity levels, and sleep routines.
Some examples of the reportable communicable diseases include Hepatitis A, B & C, influenza, measles, and salmonella and other food borne illnesses.
Of great importance to public and child health are the vaccines against the so-called six killer diseases of childhood-measles, pertussis, diphtheria, tetanus, tuberculosis and poliomyelitis.
The deadliest disease in the world is coronary artery disease (CAD). Also known as ischemic heart disease, CAD occurs when the blood vessels that supply blood to the heart become narrowed. Untreated CAD can lead to chest pain, heart failure, and arrhythmias. Impact of CAD worldwide.
Plagues in particular have hammered individuals and cultures throughout history. In the superb Twelve Diseases That Changed Our World, 10 of the featured maladies are caused by microbes: smallpox, bubonic plague, cholera, tuberculosis, syphilis, influenza, malaria, yellow fever, AIDS, and the Irish potato blight.
The world's deadliest infections, including Tuberculosis, Malaria and HIV/AIDS, have been considered as the "Big Three" infectious diseases (BTIDs).
Being overweight may be a health concern, but it has nothing to do with your moral standing before God, especially since weight is not necessarily always linked solely to eating habits. The Lord has given us the Word of Wisdom because He wants us to have true joy both in this life and in the eternities.
In some people, obesity can be traced to a medical cause, such as Prader-Willi syndrome, Cushing syndrome and other conditions. Medical problems, such as arthritis, also can lead to decreased activity, which may result in weight gain.
Surprising new research suggests that even people who develop heart disease or diabetes late in life have a decent shot at reaching the century mark. “It has been generally assumed that living to 100 years of age was limited to those who had not developed chronic illness,” said Dr.
In general, your body fights disease by keeping things out of your body that are foreign. Your primary defense against pathogenic germs are physical barriers like your skin. You also produce pathogen-destroying chemicals, like lysozyme, found on parts of your body without skin, including your tears and mucus membranes.
Common viral illnesses include colds, the flu, COVID-19, norovirus (“stomach flu”), HPV (warts) and herpes simplex virus (cold sores). Many viruses go away on their own, but some cause life-threatening or chronic illnesses.
JUPITER, Fla. — Luiz Pedro Carvalho, Ph. D., is on a quest to find new medicines for treatment-resistant diseases, including tuberculosis, which is again the world's deadliest infectious disease, after briefly falling behind COVID-19.
Some repeat infections, like pneumonia and bladder infections, may happen because of a genetic predisposition. That's an inherited tendency to get more infections than most people do. Structural issues. Repeat infections can also happen as a result of how your body is put together.