1 Actually, Germans do exactly that. 2  The informal 'du' is second person singular, whereas the formal 'Sie' is used like the third person plural 'sie'. 3  In former times, German also used third person singular 'er/sie' and second person plural 'ihr' for polite conversation. - 4  The formal Sie is still second person, though.
Therapeutic Benefits and Uses of Horsetail and Claims. Horsetail contains silicic acid, saponins, flavonoids, sterols, tannins, potassium, aluminum salts, manganese, magnesium, sulfur and calcium. Historically, horsetail has been used to stop bleeding, repair broken bones and as an herbal remedy for arthritis.
Horsetail has been listed as an herb of undefined safety by the FDA. 14 Ingestion of large amounts of the fern may be toxic. There have been reports of children being poisoned by using the stems as blowguns or whistles.