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Melatonin — the Missing Link Between Sleep Deprivation and Immune Dysregulation...Mercola: 1.Use sunlight to stimulate mitochondrial melatonin — Most of your melatonin is produced inside your mitochondria as part of your antioxidant defense system. Near-infrared light from the sun penetrates your skin and activates signals that trigger this internal melatonin production. If you spend your days behind glass, under LED lights or indoors, you miss this signal. Get outside daily. Allow natural sunlight to reach your skin gradually and safely. Avoid harsh midday sun until you have reduced seed oils, which are high in linoleic acid (LA), for at least six months — high LA levels increase sun sensitivity. Sunlight strengthens your cellular melatonin defense from the inside out. 2.Reinforce nighttime melatonin release with darkness — Your pineal gland releases melatonin only in darkness. Even small amounts of artificial light suppress that release. Dim your lights after sunset. Remove glowing electronics from your bedroom. Block outside light with blackout curtains if needed. Darkness isn't optional — it's the trigger that tells your body to enter immune repair mode. 3.Support melatonin synthesis with proper nutrient balance — Melatonin forms from serotonin, which forms from the amino acid tryptophan. You need adequate protein intake — roughly 0.8 grams per pound of lean body mass (or about 1.76 grams per kilogram), with one-third from collagen-rich sources like bone broth — to supply these building blocks. Undereating protein or chronically restricting carbohydrates stresses your metabolism and suppresses hormonal balance. Most adults require 250 grams of carbohydrates daily to maintain strong mitochondrial energy production. When your metabolism is stable, melatonin synthesis improves. 4.Lower inflammatory burdens that suppress melatonin signaling — Chronic inflammation interferes with melatonin's protective effects. Remove seed oils high in LA, including soybean oil, corn oil, canola oil, sunflower oil, and all processed foods that contain them. Replace them with stable fats such as tallow, ghee or grass fed butter. Avoid ultraprocessed foods that disrupt your gut microbiome and increase endotoxin load. When oxidative stress drops, melatonin functions more efficiently inside your immune cells. 5.Optimize your sleep environment to amplify natural melatonin release — Your brain releases its strongest pulse of melatonin during deep, uninterrupted sleep in a cool, dark, and quiet environment. Keep your bedroom temperature slightly cool, ideally between 60 and 68 degrees Fahrenheit, to support deeper sleep cycles. Eliminate background noise or use steady pink noise to prevent stress-driven awakenings that blunt melatonin output. Choose breathable bedding and avoid caffeine or alcohol, which fragment sleep and suppress nighttime melatonin signaling. When your sleep becomes deeper and more continuous, your melatonin curve strengthens, inflammatory signals calm down and your immune system regains its nighttime repair rhythm. 6.Use melatonin strategically when needed — If your rhythm has been disrupted by travel, night shift work or chronic stress, targeted melatonin support can help restore balance. Use it to reinforce your natural rhythm, not override it.

https://articles.mercola.com/sites/articles/archive/2026/04/21/melatonin-sleep-deprivation-immune-dysregulation.aspx?utm_source=takecontrol&utm_medium=email&utm_content=art1Bttn&utm_campaign=20260521_TC Melatonin — the Missing Link Between Sleep Deprivation and Immune Dysregulation Analysis by  Dr. Joseph Mercola       April 21, 2026     Weekly Health Quiz: Aspirin’s Hidden Potential, Safely Curbing Your Cravings, and Reducing PMS Pains Where Your Body Stores Fat Matters More for Cardiovascular Aging Than BMI Story at-a-glance A 2025 review of 50 studies found that sleep deprivation lowers melatonin, which directly increases inflammatory signals and weakens immune cell performance When melatonin drops, your immune cells lose energy, struggle to coordinate their defense tasks and become less effective at fighting infections Chronic sleep disruption raises stress hormones like cortisol, shifts immune balance, and damages your gut barrier, compound...
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AI Overview Dr. H. Gilbert Welch, a prominent health policy expert and former Dartmouth professor, is best known for his critiques of overmedicalization and routine cancer screenings. When it comes to endoscopies, his work emphasizes the critical need to weigh procedure benefits against the potential for harm.Key perspectives associated with Dr. Welch's philosophy include:Overdiagnosis Risk: Welch argues that screening asymptomatic individuals often uncovers slow-growing or harmless abnormalities that would never have caused problems during a patient's lifetime. In the context of endoscopies, this can lead to needless anxiety, biopsies, and interventions.The "Cascade Effect": He warns that detecting an incidental, minor finding often triggers a chain of invasive testing and treatments. Patients should consider if the pursuit of early diagnosis creates more risks than it solves.Evaluating the True Cost: Welch advocates for calculating the real "cost" of a procedure. This extends far beyond financial cost to include patient discomfort (like the prep for a colonoscopy) and the physical risks associated with endoscopic complications.Informed Decision-Making: Rather than viewing procedures as mandatory or automatically beneficial, he stresses that screenings and endoscopies should be carefully discussed, balancing individual risk factors with the likelihood of a true positive.For a deeper dive into his views on minimizing unnecessary medicalization, consider reviewing his books such as "Less Medicine, More Health" or "Overdiagnosed".Rebuke to the enthusiastic culture of medical screening - PMCReaders will find much delight in Over-Diagnosed and may even have their minds changed in the course of reading this book. Welch r...National Institutes of Health (.gov)The Cost of Cancer Screening in the United StatesWe need an integrated approach to all costs and benefits of screening. Welch (2024) presents an interesting editorial on the costs...ACP JournalsH. Gilbert Welch, MD - Center for Surgery and Public HealthDr. Welch questions the assumption that more medical care is always better. His research has focused on the assumption as it relat...Center for Surgery and Public HealthShow allThis is for informational purposes only. For medical advice or diagnosis, consult a professional. AI responses may include mistakes. Learn more

AI Overview Dr. H. Gilbert Welch, a prominent health policy expert and former Dartmouth professor, is best known for his critiques of overmedicalization and routine cancer screenings . When it comes to endoscopies, his work emphasizes the critical need to weigh procedure benefits against the potential for harm . [ 1 , 2 , 3 , 4 , 5 ] Key perspectives associated with Dr. Welch's philosophy include: Overdiagnosis Risk: Welch argues that screening asymptomatic individuals often uncovers slow-growing or harmless abnormalities that would never have caused problems during a patient's lifetime. In the context of endoscopies, this can lead to needless anxiety, biopsies, and interventions. The "Cascade Effect": He warns that detecting an incidental, minor finding often triggers a chain of invasive testing and treatments. Patients should consider if the pursuit of early diagnosis creates more risks than it solves. Evaluating the True Cost: Welch advocates for calcul...
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