ACROSS

  1.  Dr. James.... identified the "shaking palsy" in 1817 (9)
  5.  Support group for younger people with PD (4)
  7.  Health supplements (8)
11.  PD people can expect to live a ....  ....(4,4)
13.  "My ... runneth over (3)
14.  "... and tidy" (4)
15.  Magnetic Resonance Imaging, a.k.a....(3)
16.  See next page please (3)
20.  Massage in short (6)
21.  The missing ingredient in PD heads (8)
25.  Uncover, show (6)
26.  Ronnie Delaney... in Melbourne (3)
27.  My GP is an...(1,1)
28.  PALs tend to.... easily and need to rest (4)
31.  When you stick to the ground (6)
33.  These Dutch trees had a disease (3)
35.  Go... - go to the rear end of the boat (3)
36.  In PD, shaking, rattling and rolling is called... (6)
37.  Confidence, the id, the I am... (3)
38.  Rest easy, chill out (5)
40.  Short name for the "shaking palsy" (1,1)
41.  Fish liver oil is a joke! (3)
42.  Unit of time (4)
47.  People with PD can have a good....of life (7)
49.  Postscript (2)
50.  Part of the old name for PD (5)
52.  Just a ....ful of sugar helps the medicine go down! (5)
53.  A short street or a saint (2)
55.  They surround atoms at Mount Sion (4)
57.  This med do rap ma! (7)
58.  Poem to a person, or to be sung (3)
59.  Fill your prescription here! (8)

DOWN

  1.  Medication delivery system (4)
  2.  U.S. Attorney General (4)
  3.  The Lake....of Inisfree (4)
  4.  A store for money (4)
  6.  Prop up, help, assistance (7)
  7.  "In.... veritas" (4)
  8.  PD drug that ate and ran (6)
  9.  Antioxidants help to strengthen the body's .... system (6)
10.  Exciting devices!! (11)
12.  This boxer with an Alias floated like a butterfly (8)
13.  This American country singer has the money! (4)
17.  Put into 13 Across - tea perhaps? (4)
18.  This person can sing: "He ain't heavy, he's my brother" (5)
19.  Meet sin without vomiting! (7)
22.  A puzzle you can enter -but can you leave? (4)
23.  "Use it or lose it", says the drill sergeant (8)
24.  Dr. Green is in the TV room for urgent attention! (2)
29.  "... Cold in Alex" (3)
30.  An awfully long time (3)
32.  "...Phone Home" (2)
34.  Michael J.... gave up the day job for a good cause (3)
35.  Much .... About Nothing" (3)
38.  New dopamine agonist - get a new set of tools? (6)
39.  Pack the truck; put a bullet in the gun (4)
40.  Old name for a doctor; a science subject (6)
43.  "..., ...and Away in my Beautiful Balloon" (2)
44.  Unsolicited emails, canned meat (4)
45.  Happy (4)
46.  PD at the top of the Church? (4)
48.  A mite is one thing (4)
51.  Young Active Parkinsonians do it standing up (3)
54.  Plaything (3)
56.  The PALS website is ... good! (2)