Read the sentence to find out if there is any grammatical error or idiomatic error in it. The error, if any, will be in one part of the sentence. Mark that part as the answer. (Ignore errors of punctuation, if any.)
Accordance to a new study / taking steps to remain healthy and young / may help delay / the onset of Alzheimer disease.
Accordance to a new study
Here instead of ‘In accordance with’, ‘According to a new study’ should be used.