My one-year-old has had bronchiolitis for over 10 days and is not recovering. Do I need to give my child antibiotics? (Mai Huong, Hanoi)

Caring for her husband with lung cancer alone, as her children lived abroad, ms. Phuong, 71, experienced physical and mental exhaustion.

Fever, cough, body aches, shortness of breath, and reduced blood oxygen are common symptoms of pneumonia, requiring early medical examination.

Improved lung function, reduced coughing and shortness of breath, and enhanced blood circulation are positive changes the body experiences after quitting smoking.

Staying hydrated, minimizing exposure to dust and smoke, exercising appropriately, and eating plenty of fruits and vegetables can help lungs function better in the summer.

Chewing fennel seeds, eating apples, and drinking herbal tea can help cleanse the mouth, stimulate saliva flow, and limit odor-causing bacteria.

My three-year-old child was hospitalized for pneumonia earlier this year. With the recent heat, my child spends a lot of time in air-conditioned rooms, and I worry about a recurrence. What should I keep in mind when caring for my child? (Ngoc Anh, Hanoi)

Mr. Thang, 64, suffering from chronic obstructive pulmonary disease and bronchiectasis, is now experiencing significant hemoptysis, with doctors diagnosing severe lung damage.

Individuals with pleural effusion should limit processed meats, high-sodium sausages, and fried foods rich in saturated fat, as these can increase inflammation and fluid retention.

Asthma sufferers should adhere to medication, keep their neck warm, and avoid cold air or direct air conditioning drafts on their face and chest to control the condition.

Respiratory physical therapy includes basic exercises such as diaphragmatic breathing, pursed-lip breathing, and controlled coughing, combined with other physical activities.