️ High-Intensity Interval Training (HIIT): The Ultimate Guide to Fast and Effective Fitness IntroductionIn today’s fast-paced world, most people struggle to find the time for long gym sessions. With busy schedules, work pressure, and lifestyle demands, spending one to two hours in the gym feels like a luxury. But what if you could burn fat, build strength, and improve your stamina in just 20 minutes a day?The answer lies in HIIT – High-Intensity Interval Training. Over the past decade, HIIT has become one of the most popular fitness methods across the world. Fitness trainers, athletes, and even beginners recommend HIIT