 |
 |
Color me blonde. (I do!) :-) Kathleen 2009/2/10 rayilynlee <[log in to unmask]> > Now a gray, once a blonde, how about you? > Ray > PS my mom had auburn hair and I had copper ones > > PARKINSON'S DISEASE NEWS > > > 10th February 2009 - New research > HAIR COLOUR AND THE RISK OF PARKINSON'S DISEASE > > Annals of Neurology [2009] 65 (1) : 76-82 (Gao X, Simon KC, Han J, > Schwarzschild MA, Ascherio A.) Complete abstract > > The risk of Parkinson's Disease has been found to increase according to > hair colour. The four colours assessed were : black, brown, blonde and red. > Over 100,000 people were assessed according to the natural colour of their > hair when they were young adults. People with black hair were found to be > least prone to Parkinson's Disease. People with brown hair were 40% more > likely to develop Parkinson's Disease. People with blonde hair were found to > be around 60% more likely to develop Parkinson's Disease. Worst at risk were > people with red hair, for whom the risk of Parkinson's Disease is nearly > doubled. At first this association seems odd because hair has nothing to do > with Parkinson's Disease. However, by chance, hair colour and Parkinson's > Disease share a common biochemistry. The dopamine needed to relieve > Parkinson's Disease is initially made from L-tyrosine turning in to L-dopa. > Coincidentally, melanin, the pigment that colours hair and skin is initially > made by exactly the same means, by turning L-tyrosine in to L-dopa. However, > in skin cells, instead of L-dopa then turning in to dopamine, it turns in to > melanin, in order to darken hair and skin. > > Rayilyn Brown > Director AZNPF > Arizona Chapter National Parkinson Foundation > [log in to unmask] > ---------------------------------------------------------------------- > To sign-off Parkinsn send a message to: mailto: > [log in to unmask] > In the body of the message put: signoff parkinsn > ---------------------------------------------------------------------- To sign-off Parkinsn send a message to: mailto:[log in to unmask] In the body of the message put: signoff parkinsn