<p>We’re shining a light on light itself: how natural daylight, vitamin D, and different light spectrums affect your sleep, your mood, your energy, and yes, how quickly you age.</p><p>Dr Nichola explains the science behind why your body is designed to run on a cycle, how the sun impacts your internal clock, and what happens when artificial light, shift work, and screens throw that rhythm off balance.</p><p>She also explores the evidence behind light lamps and red light therapy, plus suggests some simple steps you can take to support your biology from the inside out.</p><p>Producer – Mick Coyle</p><p>Sound Designer – James Stodd</p><p>Production Manager - Sarah Nicholls</p><p>Executive Producer - Finn Ryan</p><p>Head of Production - Cat Moran</p>