connecting to Internet as root, when updating with apt-get

Security aspect ____________ are there added security risks, caused by using wvdial, as root, to connect to the internet, and, while connected, to use, from ones /home directory ones email and browser, versus, connecting with kppp as user ? the reason that i ask, is, that, when using apt-get , as root, to update my SuSE 8 system, am concurrently using email & browser from my /home account. best wishes ____________ sent on Linux ____________