Could you please help me put this sentence together

Question

People could be at a borderline into having a stroke or even having heart problems, which is some reason peoples arteries could be getting clogged up, is because of what most people eat which is fast foods, and lack of exercise.

Answer 1

Now it's your turn. Get rid of the extra words and write this in two sentences. I'll be glad to check your answer.

Answer 2

People could be at a borderline into having a stroke or heart problems.
Some reasons peoples arteries could be getting clogged up, is because of what most people eat, which is fast foods, and lack of exercise.
Thank you

Answer 3

Good. Here are a couple of minor corrections.

People could be at a borderline between having a stroke or heart problems.
Some reasons peoples' arteries could be getting clogged up is most people eat fast foods and don't exercise.