Diseases can originate from various sources, including pathogens like bacteria, viruses, fungi, and parasites that invade the body. They may also arise from genetic mutations, environmental factors, and lifestyle choices, such as poor diet or lack of exercise. Additionally, diseases can be caused by exposure to toxins or pollutants and can spread through vectors like insects. Understanding these origins is crucial for prevention and treatment strategies.
diarrhoeal diseases,typhoid,cholera,hepatitis and other contagious diseases
Some diseases last for a short period of time and/or come on very quickly. These are called Acute Diseases. eg Chest Infection Others last for a longer period of time and/or come on gradually over a long period of time. These are called Chronic Diseases eg - Arthritis
Some diseases come through sexual intercourse, and many others do not.
nghyiugh
yes
sneezing,coughing,touching
sneezing,coughing,touching
Infectious diseases from animal bites include cat-scratch disease, tetanus and rabies
Poor hygiene, diet and healthcare.
Nutritional diseases are not classified as infectious disease because they do not fit the definition of 'infectious'. They cannot be transmitted from one person to another and the causative agents come from the environment.
Yes. Some genetically diseases cause it.
What diseases come from a Sarcodina, which is a type of Protozoan?