What is the theme of “A Gift of Laughter by Allen Sherman in 4-6 sentences

if also in “CEC” form or way of not that’s fine just answer the question part

Iback to my office after i saw the rain.

Read this sentence: while on vacation, i often relax by reading one of myfavorite books, go to the movies, or swimming in the pool. which revision corrects the parallel structure error? a. while on vacation, i often relax by reading one of my favoritebooks, going to the movies, or swimming in the pool. ob. while on vacation, i often relax by reading one of my favoritebooks, going to the movies, or swim in the pool. oc. while on vacation, i often relax by reading one of my favoritebooks, i like to go to the movies, or go swimming in the pool. od. while on vacation, i often enjoy relaxing by reading one of myfavorite books, go to the movies, or swimming in the pool.

Why would the author choose to use quotation from doctors and researchers in this article