The term 'awareness campaigns' is correct, but it should be hyphenated when used as a compound modifier before a noun: 'awareness-raising campaigns'.

The spelling 'incentivize' is American English, while 'incentivise' is the British English spelling, which is typically used in IELTS.

The adjective 'preventable' is correct, but it should be followed by a hyphen when used as a compound modifier before a noun: 'preventable health issues'.

The term 'healthcare' should be written as two words, 'health care', especially in British English which is often preferred in IELTS.

The term 'low-income' is correct, but it should be followed by a hyphen when used as a compound modifier before a noun: 'low-income individuals'.

The adjective 'excessive' is correct, but it should be followed by a hyphen when used as a compound modifier before a noun: 'excessive taxation'.

The term 'long-term' is correct, but it should be followed by a hyphen when used as a compound modifier before a noun: 'long-term health goals'.

IELTS Essay Band 9: Higher taxes on unhealthy foods