I cannot stress enough the importance of reading, and always bearing in mind, Stephen Spindler's important article about how to conduct lifespan studies in animals:
"Review of the literature and suggestions for the design of rodent survival studies for the identification of compounds that increase health and life span"
Stephen Richard Spindler
The pomegranates, figs and dates study fails to rule out a calorie restriction effect (or did I miss it?), so it is, alas, pretty worthless. It's a shame, since I love figs!
And while we're at it, it might be worthwhile to look at this:
"Lifespan effects of simple and complex nutraceutical combinations fed isocalorically to mice"
Off-line for a week or so starting shortly. STay well, everyone!