Atherosclerosis begins in teenage years, evidenced by foam cells and fatty streaks in autopsy studies.

“because we know from autopsy studies of teenagers the process begins then i mean it probably begins even younger but we don't have too many autopsies of people below the teen years but certainly autopsies of people in their late teens and early 20s who have died for other reasons already show foam cells fatty streaks in some cases”

“we know from autopsy studies of military personnel who unfortunately get killed in their job that these young men many of them robust in great shape have subclinical atherosclerosis but none of them are dropping dead of heart attacks while they're serving in the military with rare exception”