Which of the following is NOT mentioned in the passage as a solution to a health problem?

A. Cold cream.

Giải thích:

Thông tin: The most common ailment, a headache, can be avoided by taking along an ample supply of aspirin or other pain relievers... Other familiar problems include sunburn, which can be prevented by using effective sunscreen, and insect bites, which can be controlled with use of a repellent spray or ointment.