When Ann Louise Gittleman wrote “Super Nutrition for Menopause” in 1992, the popular press was just beginning to explore the “change of life.”
In her most recent book, Gittleman addresses a related subject. Perimenopause is “a naturally occurring transition before the change,” she writes in “Before the Change: Taking Charge of Your Perimenopause” (HarperSanFrancisco). Although menopause is associated with a drop in estrogen, a decline in the hormone progesterone brings on perimenopause…