special subjects
Echinacea
Recommendations
Echinaceais probably safe for short-term use, but whether it helps boost the immune system and prevents viral infections, such as the common cold, is unknown. People who have autoimmune diseases (such as rheumatoid arthritis and multiple sclerosis), have received organ transplants, or have an impaired immune system (for example, by AIDS or tuberculosis) should consult their doctor before they takeechinacea. 