when heartburn hits, fight back fast with tums smoothies. it starts dissolving the instant it touches your tongue. and neutralizes stomach acid at the source. ♪ tum -tum -tum -tum smoothies! only from tums there are close to 3,000 staff working around the clock to assure the smooth running of this prison. many of them call angola home, raising their children on the b-line, the only town in america built behind prison walls.