When Sara Ali Khan, a famous Bollywood actress in India, endorsed a fitness app called “HealthifyMe,” her face was emblazoned on billboards all across the city of Mumbai. Khan claimed that she had lost over 80 pounds during her fitness journey. Khan has been candid about her struggle with Polycystic Ovarian Syndrome, a hormonal disorder that causes irregular periods, weight gain, acne and [the production of] excess androgens due to the presence of cysts in the ovaries.