Shari Silverstein, a registered nurse and osteoporosis nurse educator, presents a program, “Strong Bones for Life: Promoting Bone Health,” for the Rockland section of the National Council of Jewish Women, on Wednesday, April 5, at 7:45 p.m. The talk will be at the JCC Rockland, 450 West Nyack Road, in West Nyack. Refreshments will be served. For information, go to ncjwrockland.org.