Lasik Eye Surgery, Collagen & Histamine, Nitrates, Cortisol & Thyroid, Zinc

May 26, 2022

[00:08:40] Lasik eye surgery side effects (follow up from last week).

[00:09:25] Monovision lasik surgery and contact lenses.

[00:10:02] Individual amino acids for bone/tendon health.

[00:11:00] Histamine reactions to collagen/gelatin.

[00:12:20] Nitrates in vegetables vs. nitrates in processed meats.

[00:12:38] Nitrates as preservatives in meat, discussed on previous Office Hours 3/31/2020.

Resources:

• Dietary Nitrates, Nitrites, and Nitrosamines Intake and the Risk of Gastric Cancer: A Meta-Analysis
• Association between dietary nitrate and nitrite intake and sitespecific cancer risk: evidence from observational studies
• Association Between Nitrite and Nitrate Intake and Risk of Gastric Cancer: A Systematic Review and Meta-Analysis
• Are all nitrosamines concerning? A review of mutagenicity and carcinogenicity data
• Formation and occurrence of nitrosamines in food
• Effect of plant polyphenols and ascorbic acid on lipid oxidation, residual nitrite and N-nitrosamines formation in dry-cured sausage
• Effects of rosemary extract, grape seed extract and green tea polyphenol on the formation of N-nitrosamines and quality of western-style smoked sausage

[00:15:05] Elevated cortisol and thyroid health.

Resources:

• The influence of endogenous cortisol on the peripheral conversion of thyroxine in patients with acute myocardial infarction
• Thyroid Hormone Regulation by Stress and Behavioral Differences in Adult Male Rats
• Abnormalities of Thyroid Hormone Metabolism during Systemic Illness: The Low T3 Syndrome in Different Clinical Settings
• Thyroid Hormones, Oxidative Stress, and Inflammation
• Zinc supplementation alters thyroid hormone metabolism in disabled patients with zinc deficiency
• Chronic anemia and thyroid function
• Podcast: Health Fundamentals: Stress and Hormesis.

[00:21:28] Chewing problems and their relation to slow gut motility.

[00:24:52] Comments on monovision surgery and contact lenses.

[00:32:47] Dietary sources of zinc.

[00:38:34] Specialized Proresolving Mediators (SPMs) 1 can calm the immune response.

[00:43:54] Sun Fiber vs. Psyllium Husk.