Occupational health focuses on the health problems arising from humans engaged in various jobs.
Environmental health involves all physical, chemical and biological factors surrounding an ind…
Public health emergencies refer to outbreaks of infectious diseases that could severely endang…
Noncommunicable chronic diseases are those that are of long duration and need long-term treatm…
Nutrition is closely related to health. Reasonable nutrition and balanced diet are the key to …
Infectious diseases are diseases caused by various pathogens that can be transmitted from pers…
