Now, sadly, neurological disorders such as Parkinson's disease gradually destroy this extraordinary ability, as it is doing to my friend Jan Stripling, who was a virtuoso ballet dancer in his time.
Sorgligt nog, gör neurologiska sjukdomar som Parkinsons att denna denna extraordinära förmåga gradvis förstörs som den gör med min vän Jan Stripling, som var en mästerlig balettdansare under sin storhetstid.