Brain teasers are an exciting way to challenge your mind and sharpen your cognitive skills. These puzzles enhance your IQ by encouraging critical thinking, logical reasoning, and problem-solving abilities Brain teasers are an exciting way to challenge your mind and sharpen your cognitive skills. These puzzles enhance your IQ by encouraging critical thinking, logical reasoning, and problem-solving abilities Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle