I never understood the stigma part. Random sex exposes you to STI. IV drug use also exposes you to HIV and Hep B. It's fine to blame lung cancer on smoking (eve

I never understood the stigma part. Random sex exposes you to STI. IV drug use also exposes you to HIV and Hep B. It's fine to blame lung cancer on smoking (even though you can get lung cancer without it). It's however considered not fine to judge people for other risky choices. Go figure.