FitnessWhy HIIT Training Works: The Science Behind Its PopularityStanley BlakeAugust 21, 2025September 1, 2025 by Stanley BlakeAugust 21, 2025September 1, 20250583 High-Intensity Interval Training (HIIT) has become one of the most talked-about fitness methods in recent years, and with good reason. Its efficiency, adaptability, and proven...