Question

in some cases, what seemingly joyful experience can lead to intense breathing and potentially worsen asthma symptoms?
laughing
cooking
reading a book

Explanation:

Laughing can be a seemingly joyful experience that may cause intense breathing and potentially worsen asthma symptoms due to rapid changes in airflow and airway constriction in some asthmatics. Cooking may expose to irritants but is not a joyful - experience in the context of the question. Reading a book is a calm activity and usually does not lead to intense breathing related to joy.

Answer:

A. laughing