Chopped ephedra (ephedra sinicea). Ephedra has been used in traditional Chinese medicine for 5,000 years to treat asthma,hay fever and colds. In recent years the safety of ephedra-containing dietary supplements has been questioned in the US | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / McKeone, Carolyn A. |
Taille de l’image : | 4196 px × 2808 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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