plaque build up

I read this article today that is concerning. https://www.cardiosmart.org/news/2017/3/testosterone-treatment-accelerates-artery-plaque-buildup

When compared with people who slept 7 to 8 hours each night, those who slept less than 6 hours each night were 27% more likely to have artery plaque buildup outside of the coronaries (P=0.008), reported José Ordovás, PhD, of Tufts University in Boston, and colleagues in the Journal of the...