:As with more traditional over-the-counter medications, evidence that these products help reduce the duration of colds or lessen symptoms is mostly subjective, says Linda Lambert, cold and flu program director at the National Institute of Allergy and Infectious Disease.<ref> [http://www.highbeam.com/doc/1G1-67520659.html Zinc may lessen length, severity of cold]</ref> | :As with more traditional over-the-counter medications, evidence that these products help reduce the duration of colds or lessen symptoms is mostly subjective, says Linda Lambert, cold and flu program director at the National Institute of Allergy and Infectious Disease.<ref> [http://www.highbeam.com/doc/1G1-67520659.html Zinc may lessen length, severity of cold]</ref> |