High-intensity interval training (HIIT) is an effective form of exercise, but it also causes a temporary increase in cortisol—the body’s primary stress hormone. While these short-term spikes are a normal part of exercise and help fuel your muscles and recovery, experts say it’s important to balance intense workouts with adequate rest to avoid chronic stress on the body.
According to Dr. Victoria Finn, a board-certified physician with Medical Offices of Manhattan, “In simple terms, cortisol helps the body push through short bursts of strenuous activity.” Dr. Finn notes that while temporary cortisol increases are expected during HIIT, overtraining without proper recovery can place unnecessary stress on the body. She recommends alternating high-intensity workouts with lower-impact activities, prioritizing sleep, and watching for signs like persistent fatigue, poor sleep, irritability, or declining performance. Read the full article here.
Would you like to schedule an appointment with Dr. Finn?
