Human health and
diseases
,Health
u State of complete, physical, mental and social well being and n
merely an absence of a disease or infirmity.
u Disease- impaired physiological functioning of the body due to
infection ,environmental stress or inherited weakness of an org
u Diseases- 1. infectious and 2. non infectious
u COMMON DISEASES IN HUMANS
u Caused by pathogens- are parasites which gain entry into our bo
various means, multiply and interfere with normal vital activitie
resulting in morphological and functional damage.
,Salmonella typhi
, u BACTERIAL INFECTIONS
u TYPHOID
u Caused by Salmonella typhi
u Contaminated food and water
u Typhoid Mary- Mary Mallon
u Symptoms- Sustained high fever (39° to 40°C),
weakness, stomach pain, constipation, headache
loss of appetite
u WIDAL TEST- antibodies in patient’s blood
diseases
,Health
u State of complete, physical, mental and social well being and n
merely an absence of a disease or infirmity.
u Disease- impaired physiological functioning of the body due to
infection ,environmental stress or inherited weakness of an org
u Diseases- 1. infectious and 2. non infectious
u COMMON DISEASES IN HUMANS
u Caused by pathogens- are parasites which gain entry into our bo
various means, multiply and interfere with normal vital activitie
resulting in morphological and functional damage.
,Salmonella typhi
, u BACTERIAL INFECTIONS
u TYPHOID
u Caused by Salmonella typhi
u Contaminated food and water
u Typhoid Mary- Mary Mallon
u Symptoms- Sustained high fever (39° to 40°C),
weakness, stomach pain, constipation, headache
loss of appetite
u WIDAL TEST- antibodies in patient’s blood
