Lisa Fischer sits down with holistic optometrist Dr. Valerie Giangrande to uncover how sunlight shapes your circadian rhythm, hormone balance, and even eye health. Learn the truth about blue light, morning sunshine, LASIK, cataracts, and why natural light—not artificial—is your body's real medicine. Discover how to protect your eyes, sleep better, and prevent disease through light exposure and smart habits.

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Podcast produced by clantoncreative.com

🔑 Keywords: Lisa Fischer Said Podcast, Dr Valerie Giangrande, circadian rhythm, blue light blockers, sunlight therapy, holistic optometry, eye health, cataract prevention, LASIK risks, circadian biology, natural light healing, vitamin D, red light therapy, sleep optimization, melatonin production, light exposure health, morning sunlight benefits, infrared light, holistic eye doctor, biohacking vision, natural vision health