Answer:
Below.
Explanation:
Air pollutants.
Allergies.
Chronic sinusitis.
Lack of pertussis immunization.
Malnutrition (particularly in children)
Exposure to chemicals, fumes, and dust.
Smoke inhalation.
Answer:
excerice bro makes perfect
Try anything new with food
Answer: Being pregnant, having a medical condition, and having a history of alcoholism
Explanation: Drinking while pregnant can harm your baby, medical conditions must be treated before drinking as it can cause even more health issues, and you should refrain from drinking if you used to excessively as this can cause addiction