Cindy Crawford's son is bravely opening up about his mental health. Presley Gerber, whom Cindy shares with husband Rande Gerber, took to Instagram on Monday to share an off-guard admission about his mental health and the medication he takes to manage it. In a black-and-white selfie video shot in a sauna, the 26-year-old starts off by informing followers "honesty is the best policy." He goes on to list Buprenorphine, Xanax, and valium as medications he takes to manage his mental health: "The benzos have been fluctuating up and down depending on what's been going on in my life.