Cognitive function and intelligence are distinct concepts in psychology, each playing a unique role in human capabilities. It refers to the brain’s daily mental processes such as memory, attention, and problem-solving, influenced by factors like health, lifestyle, and emotional balance. In contrast, intelligence embodies the ability to learn, adapt, and apply knowledge, often assessed through IQ tests but understood to exist in diverse forms. The core difference lies in the fact that functions of cognitive pertains to immediate mental performance, while intelligence reflects overall reasoning potential. Maintaining brain health through lifestyle choices enhances cognitive function and supports effective intelligence use, underscoring the importance of both in enhancing learning, decision-making, and overall brain performance.