Answer
In the movie "Bigger Than Life," the primary addiction struggle portrayed revolves around corticosteroids. These pharmaceutical drugs, often prescribed for their anti-inflammatory effects, can induce a sense of euphoria and well-being. However, long-term or excessive use can lead to physical and psychological dependence, making it challenging for users to reduce or cease their intake. Understanding the addictive nature of corticosteroids is crucial in managing their proper use within medical contexts.