* Silver and silver compounds have an oligodynamic effect and are toxic for bacteria, algae, and fungi in vitro. The oligodynamic effect is typical for heavy metals, such as lead and mercury, but, among the elements that have this effect, silver is the least toxic for humans. But rgyria occurs in people who ingest or inhale silver in large quantities over a long period (several months to many years).
* [[Licorice]] may be used as a topical antiviral agent for shingles, ophthalmic, oral or genital herpes.
* Turkey Tail mushrooms are a Powerful Immune System Booster.
== Warnings ==