Question

1. what is the main idea of the text? a. scientists want to find out more about why certain foods cause brain freezes more than others. b. brain freezes are short, painful headaches caused by a sudden temperature change in your throat. c. the problems caused by a brain freeze can harm your whole body, so be careful when eating ice cream. d. it is not possible to stop a brain freeze from happening, but many people have learned to live with them.

Explanation:

The text mainly describes brain freezes - short, painful headaches caused by sudden temperature changes when eating or drinking cold things. It also briefly mentions a way to stop the pain. Option B sums this up best. Option A focuses on scientists' research which isn't the main point. Option C is wrong as brain freezes don't harm the whole body. Option D is incorrect as there are ways to stop brain freezes.

Answer:

B. Brain freezes are short, painful headaches caused by a sudden temperature change in your throat.