Contact Lenses, PFAS, and UV Blocking

PFAS concerns in contact lenses, practical guidance to minimize exposure (limit wear, remove outdoors mornings) and considerations about UV-blocking lenses affecting morning light exposure and circadian signaling.

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Welcome back to our weekend Cabral HouseCall shows!

This is where we answer our community's wellness, weight loss, and anti-aging questions to help people get back on track!

Check out today's questions:

Alicja: Hello Dr. Cabral, I hope you're doing well. My question is about dental sealants. My kids' dentist recommended them for my 8 yo daughter and I blindly believed it was a good advice. Later he recommended them for my younger daughter, but this time I looked up what are dental sealants and it turns out it is plastic. Since my older daughter has them already (on 4 of her molars) I'm struggling to make a decision which is less of two evils: leaving the sealants because the damage has already been done, or should we have them removed, risking that some plastic will be absorbed by her body during scraping the sealants of her teeth? Holly: Hi! I need help for my 20-year-old daughter. She has been dealing with an issue of having very terrible smelling urine, yet labs show no bladder or kidney infection. She says there's minor discomfort after emptying her bladder. Despite undergoing multiple physical exams and lab tests, everything has come back normal. Her urologist prescribed Solifenacin several months ago, but it hasn't provided any relief. She is staying hydrated, avoiding spicy foods, and has eliminated caffeine from her diet. This issue has persisted for a long time, and it’s affecting her emotionally—she is becoming quite depressed over it. Her health history is that she is highly allergic to cow's milk and peanuts/tree nuts and has had eczema since she was a baby. Any advice is greatly appreciated! Kaitlin: I’ve been having tinnitus for the past 4 months. It started out in one ear, then both ears, and then transitioned to full head buzzing. It feels like my brain is attached to an electrical socket. I have also been experiencing extreme anxiety, insomnia, fatigue, and soreness(esp neck). I am a very healthy 31 year old-eat an extremely clean diet and very fit. I did notice my symptoms worsening after switching to methylated vitamins. It also intensifies with heavy lifts & exercise. I did the hair test and it showed elevation in mercury and aluminum and every mineral ratio was out of whack. I also did the OATS test and it showed some depletion of b vitamins as well as low levels of neurotransmitters. I’m not sure where to go from here. I’m scared supps are going to make it worse again. Riela: My husband has had rather severe problems with vertigo for these past years. It seems to have been triggered by having Covid, and also a period of high stress; but he also had a blow to the head some years ago, and I'm wondering if that may be a cause as well. He's been on Pristiq for some time, and doesn't have as many problems with vertigo now, but he would like to get off it. Anxiety or stress worsens his vertigo. I'd appreciate it if you could help us find a direction, healthwise, that we could go. Jen: Hello! I enjoy your podcast and it has helped me so much over the years. I have a question regarding contact lenses. It has been reported that most are full of PFAS. I stopped wearing my contacts after wearing them for over 30 years when I heard this. I hate wearing glasses and am wondering if wearing contacts is truly dangerous. I found one brand that claims to be PFAS free (Eiyan), but they don't cover my prescription. In addition to this, most contacts now have UV protection which I am also concerned blocks sunlight signals from entering my eyes, and thus disrupting my circadian rhythm. Could you please share your thoughts on both issues. Thank you! Thank you for tuning into today's Cabral HouseCall and be sure to check back tomorrow where we answer more of our community’s questions! - - -

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