date:Aug 03, 2012
a five-point improvement on the Unified Parkinson's Disease Rating Scale (a rating scale used to measure the severity of the disease).
This was due to improvement in speed of movement and a reduction in stiffness,he explained.
Postuma added that whilst the five-point improvement was modest, it may be enough to provide benefit to people with Parkinsons.
Caffeine did not appear to help improve daytime sleepiness and there were no changes in quality of life, depression or sleep quality in study