Public bathing 19 BC had a rotunda 25 metres across, circled by small rooms, set in a park with artificial river and pool. By AD 300 the Baths of Diocletian would cover , its soaring granite and porphyry sheltering 3,000 bathers a day. Roman baths became "something like a cross between an aquacentre and a theme park", with pools, game rooms, gardens, even libraries and theatres. One of the most famous public bath sites is Aquae Sulis in Bath, England. Dr. Garrett G Fagan, a professor at Pennsylvania State University, described public bathing as a "social event" for the Romans in his
Aphanizomenon flos-aquae (dietary supplement) therefore not suitable for use as a B source for humans. "Aphanizomenon flos-aquae" contains minerals and trace minerals (including calcium, chloride, chromium, copper, iron, magnesium, manganese, phosphorus, sodium, and zinc). Whether or not AFA microalgae contain a balance of bioavailable minerals and trace minerals depends on the mineral content of their growth environment. AFA" "is approximately 60% protein by dry weight. Approximately 45% of the lipids (fats) of AFA are essential fatty acids. "Aphanizomenon flos-aquae" contains a balance of both linoleic acid (LA, an omega-6 fatty acid) and alpha-linolenic acid (ALA, an omega-3 fatty acid). Researchers at Massachusetts General Hospital