Research shows that when adding a high-rep set to a traditional low-rep strength scheme, test subjects gained 5% more strength than when they performed only the heavier, low-rep work. While the reason behind this is unclear, researchers speculate that higher reps provided the stimulus based on the higher growth hormone (GH) levels associated with high-rep weight training.
One of the most misunderstood areas for new bodybuilders is nutrition. I talk to guys all the time that have no idea of their daily calorie intake, their daily protein intake, their carbohydrate intake. They have no idea of what types of foods they should be eating, or when they should be eating them. They don't know what supplements do what and what they should using. Let me refer readers to some of my other articles that detail these areas.