Daylight: Your Secret Weapon for Immunity - AI Podcast

Story at-a-glance Your immune system’s frontline defenders, called neutrophils, are most powerful in the early morning when activated by daylight exposure Light works like an internal alarm, switching your immune response on at the right time and boosting your body’s ability to fight infection When you stay up late, miss morning sunlight or get too much artificial light at night, your immune rhythm falls out of sync, leaving you more vulnerable Research shows that your immune system is not only reactive but timed, meaning when you’re exposed to pathogens matters as much as how your body fights them Simple changes, like getting outside in the morning and limiting screen use before bed, reprogram your immune system to respond faster and more effectively