Sulis etymology, as well as several other characteristics, such as the association with sight, civic law, and epithets relating to light, Sulis has been interpreted as a solar deity, at least in pre-Roman times. Some researchers have further suggested a role as the "de facto" Celtic solar deity, the associated Sulevia and similar names being the goddess's attestations elsewhere. Sulis has a number of modern-day worshipers among the Wiccan and Pagan communities. As of 1998, some people still deposited offerings in the waters of the Roman baths. Sulis In localised Celtic polytheism practised in Britain, Sulis was a deity worshipped at
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