The following points highlight the two major types of diseases that occur in humans. The types are: 1. Communicable or Infectious Diseases 2. Non-Communicable or Non-Infectious Diseases. Type # 1. Communicable or Infectious Diseases: These can be transmitted from an infected person to a healthy person by means of air, water, food, physical contact or vectors. These are caused due [...]
The following points highlight the two main modes of transmission of communicable diseases in humans. The modes are: 1. Direct Transmission of Communicable Diseases, 2. Indirect Transmission of Communicable Diseases. Mode # 1. Direct Transmission of Communicable Diseases: In this, the pathogens are transmitted from an infected person to a healthy person directly without an intermediate agent. It occurs in [...]
In this essay we will discuss about manifestation of diseases in humans and its prevention. Manifestations of Diseases: Diseases are characterised by interference in the normal functioning of the body leading to impairment of health. These diseases show certain abnormal changes in the functioning or the appearance of one or more symptoms of the body, called disease symptoms, like headache, [...]