IDNStudy.com, ang iyong destinasyon para sa mga sagot ng eksperto. Ang aming mga eksperto ay nagbibigay ng mabilis at eksaktong sagot upang tulungan kang maunawaan at malutas ang anumang problema.
Answer:
don't smoke. avoid harmful environmental factors such as smoke, dusts and chemicals. exercise (check with your doctor first if you have a health condition), preferably away from busy roads with high air pollution. wash your hands regularly to prevent infections.