Viable: Capable of life. For example, a viable premature baby is one who is able to survive outside the womb. From Healthy Resources 10 Rheumatoid Arthritis Symptoms10 Ways to Take Control of Your MigraineHigh-Risk Myelofibrosis: Treatment Options Featured Centers What Are the Best PsA Treatments for You?Understanding Biologics 10 Things People With Depression Wish You Knew