Aquae Sulis incorporated into British legend. The thermal springs at Bath were said to have been dedicated to Minerva by the legendary King Bladud and the temple there endowed with an eternal flame. An 8th century poem in Old English, "The Ruin", describing the ruinous changes that had overtaken a Roman hot-water spring, is assumed to be a reference to Aquae Sulis. The poem was copied in the Exeter Book for transmission to future generations. Rediscovered from the 18th century onward, the city's Roman remains have become one of the city's main attractions. They may be viewed almost exclusively at the Roman
Aphanizomenon flos-aquae samples exceeded the safety value of 1 µg microcystin per gram. University professor Daniel Dietrich warned parents not to let children consume "A. flos-aquae" products, since children are even more vulnerable to toxic effects, due to lower body weight, and the continuous intake might lead to accumulation of toxins. Dietrich also warned against quackery schemes selling these cyanobacteria as medicine against illnesses such as attention deficit hyperactivity disorder, causing people to omit their regular drugs. A Canadian study studying the effect of "A. flos-aquae" on the immune and endocrine systems, as well as on general blood physiology, found that eating