University of Wisconsin–Madison

Tag: research

Study: Natural supplement may reduce common-cold duration by only half a day

An over-the-counter herbal treatment believed to have medicinal benefits has minimal impact in relieving the common cold, according to research by the University of Wisconsin School of Medicine and Public Health. The study, published in this month’s Annals of Internal Medicine, involved echinacea, a wild flower (also known as the purple coneflower) found in meadows …

Learning the language of bacteria

Bacteria are among the simplest organisms in nature, but many of them can still talk to each other, using a chemical “language” that is critical to the process of infection. Sending and receiving chemical signals allows bacteria to mind their own business when they are scarce and vulnerable, and then mount an attack after they become numerous enough to overwhelm the host’s immune system.