"Brainpower" refers to the mental capacity and cognitive abilities of a person. It encompasses skills like thinking, learning, problem-solving, and creativity. Just like a muscle, the brain can be strengthened through practice and education, allowing individuals to improve their mental performance over time. Enhancing brainpower can involve various activities, such as reading, puzzles, and engaging in discussions. Additionally, maintaining a healthy lifestyle with proper nutrition, exercise, and sleep can significantly boost cognitive function. Tools like mindfulness and meditation can also help sharpen focus and clarity, leading to better decision-making and overall mental agility.