X-Message-Number: 26253
Date: Fri, 27 May 2005 12:25:19 -0700 (PDT)
From: Doug Skrecky <>
Subject: 176'th update on fly longevity experiments

     This is the 176'th update of my fly longevity experiments. Average
 temperature was 21.8 C during this run. Estimated maximal longevity using
 the formula (363 - T*11.2) is 119 days.
     In run #163 a single low (50 mg) dose of salix alba (willow) set a
 new longevity record of 130 days. However I am always skeptical when a
 single fly lives a long time. Was it a real antiaging effect, or just
 chance? This run will decide.
      According to the present results chance likely explains the previous
 result. In this run no significant longevity promoting effect of salix
 alba could be detected.

 Run #176                    Percent Survival on Day
 supplement         10  17 31 41 50 57 65 74 82 92 100 106 113
 _____________________________________________________________
 control one       100 100 79 79 79 79 79 64 29 21  14   0   -
 control two       100  94 63 44 44 44 44 44 19 19   6   6   0
 salix alba 25 mg  100  85 60 65 65 45 40 30 10  5   0   -   -
   "        25 mg  100  88 75 69 63 56 44 44 31 25  13   6   0
   "        50 mg  100  90 53 47 42 42 37 21 16  5   0   -   -
   "        50 mg  100 100 71 71 64 57 57 57 50 43  21   7   0
 strontium  14 mg   59  59 47 47 47 35 18 18 12  0   -   -   -
  (citrate) 28 mg   93  86 71 71 64 64 43 36 21 14   0   -   -
   "        57 mg   92  83 83 83 83 75 50 33 25  8   8   0   -
   "       114 mg   55  36 36 27 27 27 27  9  0  -   -   -   -

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