Cindy A. Krueger, author of Do You Know What You Don't Know . . . About Women's Health Issues?, will be the guest speaker at a free program at 5 p.m. Wednesday at Barrington Terrace, 333 16th Ave. SE, Largo. Among the issues in her book that she will discuss: how women can enhance their immunity and decrease risk from illness and disease; why women are at risk for heart disease, cancer, osteoporosis and other chronic conditions; and why nutritional deficiency is a major threat to women's health. Krueger has more than 25 years' experience in the health-care industry. She is the founder and president of Preservion Inc., a health research, consultation and education company. She has a master of public health degree from the University of South Florida. To attend the program, call Barrington Terrace at 588-0020.