Daily caffeine intake may improve motor symptoms of Parkinson’s

The study of 61 patients experiencing daytime sleepiness and motor symptoms involved giving a placebo pill or 100mg caffeine twice a day for three weeks, followed by 200mg twice a day for another three weeks – equivalent to between two and four cups of coffee daily.

Those who took the supplements averaged a five-point improvement in Parkinson’s severity compared to placebo on a rating scale and three-point improvement in speed of movement and muscle stiffness.

An accompanying editorial said that while the data did not warrant a

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