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| | Echinacea purpurea, angustifolia and pallida |
 | | Echinacea, one of the most common herbs used to treat symptoms of the "common cold" or upper respiratory tract allergies, has no common drug interactions but there is a risk of hepatotoxicity, exacerbation of allergies and asthma, and anaphylactic reactions. |
 | | Echinacea is often used to treat infections, especially the common cold due to its able to stimulate the immune system, but study results indicate that it weakens the immune system?s ability to control HIV.[Article in English, French]. |
 | | Regular intake of Echinacea in mice was found be beneficial/ prophylactic, because it maintains in an elevated state, NK cells, prime elements in immunosurveillance against spontaneous-developing tumors, a phenomenon which increases in frequency with progressive aging. |
| www.herbmed.org /Herbs/Herb6.htm (5443 words) |
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