Before opiods, we had cocaine, valium, morphine, and so on... We just didn't keep so many records back then, especially during the times they were legal. With V

Before opiods, we had cocaine, valium, morphine, and so on... We just didn't keep so many records back then, especially during the times they were legal. With Valium, folks got it from their doctor. Did we track depression before like we do now? Were folks comfortable talking about it or would they lie when they self report? I'm pretty sure that in the past, folks got discovered dead because of the smell.