Lien, 42, suffered severe immunodeficiency after lymphoma treatment, with tests confirming lung damage from co-infection by five types of viruses, bacteria, and fungi.

I have suffered from asthma for many years and recently experienced increased coughing on days with polluted air, fine dust, and smoke. Can environmental factors worsen the condition? (Tran Mai, Hanoi)

Shortness of breath even at rest, accompanied by a cough or chest pain, may indicate lung damage, disease, and an inability to meet the body's oxygen demands.

Helix Stella offers a solution to help reduce coughs and soothe sore throats, enabling families to maintain stable routines during seasonal transitions.

Individuals experiencing shortness of breath should sit upright, regulate their breathing, check for airway obstructions, and may inhale warm steam to clear their airways.

The 3-4-5 breathing exercise promotes relaxation, helps stabilize hormones, and enhances respiratory and cardiovascular health.

A diet rich in vitamins A, C, D, omega-3, and protein from meat, fish, eggs, and milk can reduce inflammation, protect the lungs, and limit the recurrence of respiratory illnesses during seasonal changes.

Elderly individuals infected with respiratory syncytial virus can experience complications such as pneumonia, bronchiolitis, and respiratory failure.

Leaving shoes at the door, regularly grooming pets, and using an air purifier are among the methods that can help reduce allergens, eliminate dust, and protect respiratory health.

Holding your breath for 25-30 seconds, walking for 6 minutes, and blowing up a balloon can help assess your breath control capacity.

Regularly practicing pursed-lip breathing and diaphragmatic breathing can help clear airways, aiding those with sleep apnea in achieving deeper sleep.

hanoi and many northern provinces have recorded air quality index (AQI) levels exceeding 200 this winter, an emergency warning level that poses severe risks to lung and cardiovascular health.