Here I will discuss seaweed’s primary and secondary metabolites and some of their respective peculiarities and therapeutic uses. References are provided for further information….

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The terms "seaweeds" and "sea vegetables" are used interchangeably herein and refer to the large, visible macroalgae growing attached to each other, rocks, and the seafloor in the intertidal zone and shallow seawater. Microalgae, phytoplankton, cyanobacteria (blue-green algae) and eel grasses are not included. The term "sea herbs" is not used and not recommended since it compromises the true cryptogamic identity and phylogenetic classification of the macroalgae, even though it is used affectionately by herbalists. The term "seaweed" is a bit misleading: with a few notable exceptions, seaweeds are actually saltwater-tolerant, land-dependent plants growing almost exclusively at the narrow interface where land and sea meet. Most must be firmly attached to something to stay in the "photic zone", where they can receive sufficient sunlight….

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Recent Nuclear Industry events in Japan subsequent to the 11.March 2011 earthquake and resulting tsunami, generated hundreds of inquiries to me from my former patients, herbalist and naturopathic colleagues and the curious. Their questions and concerns suggested fundamental confusion about seaweeds, eating seaweeds, radioactive isotopes, radiation/radiation hazards, possible protection against radiation hazards, and possible positive remedial personal actions after exposure to known radioactive isotopes and their resulting residence in our respective unhappy bodies….

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Oregon grape species extend north to the limits of Devil's Club and south to the limits of Chaparral. All three plants have strong medicinal actions which overlap and complement each other. Their respective strong antimicrobial and antiectoparasite activities have made them extremely useful in combating disease organisms large and small. All three have a long history as medicinal plants. Each has special defense mechanisms to discourage casual herbivory: Devil's Club has fearsome spines and emetic actions; Oregon Grape has very sharp spines and varnished hard leaves; Chaparral has no spines but covers itself, leaves and stems, with a thick pungent resin that is so repugnant that no North American herbivore eats it (only US Army-imported camels have been observed voluntarily eating chaparral foliage) even though its food value is comparable to alfalfa….

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