Final answer:
The side effects for steroid treatment for Duchenne's Muscular Dystrophy can include increased appetite, weight gain, and mood swings (d), but there can also be more severe side effects such as impaired heart function, testicular atrophy, and prostate enlargement (c).
Step-by-step explanation:
The side effects for steroid treatment for Duchenne's Muscular Dystrophy can include increased appetite, weight gain, and mood swings (d). However, it is important to note that there can also be more severe side effects such as impaired heart function, testicular atrophy, and prostate enlargement (c). These severe side effects are often irreversible and may require surgeries for treatment.