Definition of Disease
A disease is an abnormal condition affecting the body of an organism. It is often construed to be a medical condition associated with specific symptoms and signs. It may be caused by external factors, such as infectious disease, or it may be caused by internal dysfunctions, such as autoimmune diseases. In humans, “disease” is often used more broadly to refer to any condition that causes pain, dysfunction, distress, social problems, and/or death to the person afflicted, or similar problems for those in contact with the person. In this broader sense, it sometimes includes injuries, disabilities, disorders, syndromes, infections. Isolated symptoms, deviant behaviors, and atypical variations of structure and function, while in other contexts and for other purposes these may be considered distinguishable categories.
Diseases usually affect people not only physically, but also emotionally, as contracting and living with many diseases can alter one’s perspective on life, and their personality.
Death due to disease is called death by natural causes. There are four main types of disease: pathogenic disease, deficiency disease, hereditary disease, and physiological disease.
Diseases can also be classified as communicable and non-communicable disease.
How do I ensure that I am disease free?
Many diseases and disorders can be prevented through a variety of means. These include sanitation, proper nutrition, adequate exercise, vaccinations, and other self-care and public health measures.
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Exercise reduces the chances of developing health problems. If you are suffering from obesity and diabetes, immediately plan an exercise schedule. Exercise and fitness programs are useful in managing your blood sugar levels.
Did you know that it is possible to strengthen your Immune System to prevent all types of disease and illness just by simply eating the right foods? Nature has given us a wide variety of plant foods that are rich in nutritional content. Eating these
foods, given that they are grown and processed correctly, will feed and strengthen your body, allowing it to heal faster and prevent disease. An Immune System that is fed with proper nutrition will be much more successful at defending the body. This relationship between nutrition and the performance of the Immune System is the key to improved health. This special science of building the Immune System is called Nutritional Immunology.
Sanitation generally refers to the provision of facilities and services for the safe disposal of human urine and feces. Inadequate sanitation is a major cause of disease world-wide and improving sanitation is known to have a significant beneficial impact on health both in households and across communities. The word ‘sanitation’ also refers to the maintenance of hygienic conditions, through services such as garbage collection and wastewater disposal.
Vaccination is the administration of antigenic material (a vaccine) to stimulate adaptive immunity to a disease. Vaccines can prevent or ameliorate the effects of infection by many pathogens. There is strong evidence for the efficacy of many vaccines, such as the influenza vaccine, the HPV vaccine and the chicken pox vaccine among others. Vaccination is generally considered to be the most effective method of preventing infectious diseases.