Unlike most Americans, Marsai Martin started working a steady job — as a child actor — at age 9. Martin, now 21, co-starred in ABC’s television show “Black-ish” from ages 9 to 18. The experience of joining a workforce so young warped her perception of what success looked and felt like, she tells CNBC Make It. She only recently started to include her own health and happiness as part of the equation, she adds.
