Respuesta :
- eating junk food
- not being hygienic
- not having a balanced diet
- etc....
1. Age
2. Preexisting conditions
3. Genetic Factors
4. Environmental Factors e.g. toxin exposure.
5. Being in an immunocompromised state.
2. Preexisting conditions
3. Genetic Factors
4. Environmental Factors e.g. toxin exposure.
5. Being in an immunocompromised state.