Use These Phrasal Verbs, Because Other Students Don’t!

The video tutorial discusses the importance of using phrasal verbs and idiomatic language to achieve a high score in speaking exams. It introduces three phrasal verbs: 'ask around', 'don't care for', and 'cut back on', providing examples and contexts for each. The tutorial emphasizes the informal nature of phrasal verbs, suitable for speaking parts but not for academic writing.

What does the speaker imply about using phrasal verbs in academic writing?

How can the phrase 'cut back on' be used in a sentence related to health?