Bath, Somerset the goddess Sulis, whom the Romans identified with Minerva; the name Sulis continued to be used after the Roman invasion, appearing in the town's Roman name, "" (literally, "the waters of Sulis"). Messages to her scratched onto metal, known as curse tablets, have been recovered from the sacred spring by archaeologists. The tablets were written in Latin, and cursed people whom the writers felt had wronged them. For example, if a citizen had his clothes stolen at the baths, he might write a curse, naming the suspects, on a tablet to be read by the goddess. A temple was constructed
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