Question
What is a disease? which groups are diseases classified into? Explain with example.
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Answer
→When the functions of one or more organs or systems of the body are adversely affected, due to which various signs or symptoms are observed. It is called a disease.
→When we say that we are not healthy, that means we are sick.
→Diseases are mostly divided in to groups like infectious and non-infectious or communicable or non-communicable.
→Communicable diseases: Diseases that can be transfered/spread easily from one person to another are called communicable diseases. Infectious diseases are common but some infectious diseases such as AIDS are fatal.
→Non-communicable diseases: Diseases which can not be spread from one person to another are called non-communicable diseases.
→Cancer is a non-communicable disease, but it is a main reason of death.
→Consumption of intoxicating substances and alcohol also adversely affects our health.
→When we say that we are not healthy, that means we are sick.
→Diseases are mostly divided in to groups like infectious and non-infectious or communicable or non-communicable.
→Communicable diseases: Diseases that can be transfered/spread easily from one person to another are called communicable diseases. Infectious diseases are common but some infectious diseases such as AIDS are fatal.
→Non-communicable diseases: Diseases which can not be spread from one person to another are called non-communicable diseases.
→Cancer is a non-communicable disease, but it is a main reason of death.
→Consumption of intoxicating substances and alcohol also adversely affects our health.
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