Question

People who are fat___their teens are more likely to have hypertension, heart disease and stroke when they get old.
What is the answer to the blank, please?

Answer 1

Answer:

People who are fat in their teens are more likely to have hypertension, heart disease and stroke when they get old.

Answer 2

Answer:

In

Explanation:

"in" is used to express a period of time during one's life.