Poor gastrointestinal health can affect hormones associated with sleep, thinking, libido, muscular function and the immune system, says Dr. Steven Lamm, and internist and clinical faculty member at New York University Medical Center. Eating meals slowly and at regular intervals, getting enough sleep, drinking water throughout the day and cutting back on alcohol consumption can help, Lamm says. Certain medications and dietary supplements can also interfere with digestive tract function, experts say. Patch.com/Belmont Shores-Naples (4/27)