The VCU Medical Center will continue its series of free health seminars at Lewis Ginter Botanical Garden in August. On Aug. 1, doctors from the Pauley Heart Center will discuss a minimally invasive approach to heart valve replacement. On Aug. 15, Dr. Douglas Boardman with the Department of Orthopaedic Surgery will talk about treatment options for shoulder pain. Both sessions run from 5:30 to 6:30 p.m. On Aug. 22, two nurse-midwives will discuss natural childbirth from 6 to 7 p.m. To register, call 828-0123 or email seminars@mcvh-vcu.edu .