PALO ALTO, Calif., Dec.

PALO ALTO, Calif., Oct.

A cough suppressant may help curb the involuntary movements that are the side effects of taking a Parkinson's disease medication, U.S. researchers say. Lead author Melanie A.

By Barbara Feder Ostrov SAN JOSE, Calif. - One of the more difficult challenges faced by sufferers of Parkinson's is not the disease itself, but rather the jerky, uncontrollable movements caused by the most common treatment for this devastating neurological disorder.

By Barbara Feder OstrovSTAFF One of the more difficult challenges faced by sufferers of Parkinson's is not the disease itself, but rather the jerky, uncontrollable movements caused by the most common treatment for this devastating neurological disorder.