Other things Catholics may not do without risking eternal damnation include abortion (natch) and paedophilia, taking or dealing drugs (presumably not including socially acceptable ones, such as alcohol, nicotine or caffeine) or "the excessive accumulation of wealth by a few" (that's a few individuals, not the Church itself).
Please keep comments on topic and to the point. Inappropriate comments may be deleted.
Note that markup is stripped from comments; URLs will be automatically converted into links.