8/15/2011 7:07:02 PM - High dose, but not low dose, zinc lozenges shorten the duration of cold symptoms. A review of all previous studies on the topic showed that the reason why some showed no benefit is because the dosage ...
Tell people about these videos:
All content and video are property of their respective owners and have been displayed with their permission.
If you feel a video has been unlawfully uploaded, please report this abuse to us.