Legendary television mogul Oprah Winfrey recently announced she was stepping down from the board of directors of WeightWatchers. The announcement, along with fourth-quarter financial results, sent shares of WeightWatchers parent WW International WW lower last month. Part of the reason for Winfrey's exit may now be known. What Happened: Weight loss drugs have been one of the biggest topics globally over the past year, leading to increased share prices for several pharmaceutical companies cashing in on the craze. Winfrey hopes to shed more light on weight loss drugs and their potential positives and negatives based on her own personal experiences and medical experts. A television special titled " An Oprah Special: Shame, Blame and the Weight Loss Revolution" was recorded by the television host in front of a live studio audience and includes interviews from medical experts, Variety reports.