Regularity, ok, but prunes actually building bones?  Those admittedly sweet but ugly little turdlike things outperforming expensive medication?   You could’ve knocked Dr. Arjmandi over with a prune pit when not only did the rats in his study not lose bone, they GAINED bone mass in the hip, some as much as 11%.  Final study results in 2009, same rat time, same rat place.  Turns out 10 prunes a day keeps the bone inhibitor away, but the doc advises you to start with 2 or 3 or the results could be explosive.  Fresh plums don’t do the same thing, since only certain fresh plums can become prunes.  Who knew?