Tiscali Quicklinks. Please visit our Accessibility Page for a list of the Access Keys you can use to find your way around the site, skip directly to the main navigation, to the page content, or to more links within reference.

L-dopa is a left-handed isomer of an amino acid C9H11NO2. As a treatment, it relieves the rigidity of Parkinson's disease in 60% of sufferers, but may have significant side effects, such as extreme mood changes, hallucinations, and uncontrolled writhing movements. It is often given in combination with other drugs to improve its effectiveness at lower doses.
White represents the snow on Monte Titano and the clouds above. Blue stands for the sky. Effective date: 6 April 1862.
>>