Rare Tattoo-Related Eye Condition Can Cause Vision Loss, Experts Warn Getting a tattoo can be a thrilling, albeit painful, experience. About one-third of Australians have a tattoo, with many getting inked as a rite of passage. However, a small but increasing number of Australians are being diagnosed with a rare tattoo-related eye condition. It's known as tattoo-associated uveitis and can cause permanent vision loss. So what is this condition? And what do tattoos have to do with eye health? How might a tattoo impact my eyes? Tattoo inks used in Australia and other countries may contain toxic chemical, which have been linked to the development of certain cancers. This is a concern from a regulation perspective. That's because Australia, compared to other jurisdictions, has less strict rules around what ingredients go into tattoo ink. The European Union, for example, bans many of the inks that are allowed in Australia. From a health perspective, the vast majority of people don't react to these chemicals. But in some cases, they may trigger a harmful immune response. This happens when a person's immune system recognizes the ink as being dangerous and starts attacking the tattoo site. This can cause inflammation, both of the tattooed skin and other parts of the body. Inflammatory cells from a tattoo may breach the blood-ocular barrier, which is a wall-like structure designed to protect the inside of the eye. If that happens, inflammation can spread to various parts of the eye. This includes the uvea, the middle layer of the eye, which helps it focus on nearby objects. The uvea also contains the colored part of the eye, the iris. If your uvea becomes inflamed, you may develop the rare condition known as tattoo-associated uveitis. Symptoms include sudden pain, red eyes, and increased sensitivity to light. In severe cases, this condition can lead to glaucoma, which refers to several eye diseases caused by damage to the optic nerve, or scarring on your eye. Both complications can cause blindness, if left untreated or if treatment is delayed.

Tonight's class will be posted later this afternoon. Here is a sneak preview. Today, I'm opening a new case file. The mouth always tells the truth, if you know how to interrogate it. Your Mouth Is Sending Signals You’re Not Trained to Hear Most people think oral health is about cavities and whitening strips. But there’s a reason we call the mouth the most honest organ in the body. It’s the only place where your immune system, vascular system, microbiome, hormones, and inflammation levels all leave visible clues, if you know how to read them. And most people don’t. Not because they’re careless. Because no one ever taught them that: - Bleeding gums can... - Shifts in the oral microbiome can... - Gum reactivity can... - Tongue coating can... - Chronic oral inflammation can... Your mouth is basically a clinical dashboard, hiding in plain sight. But almost no one knows how to interpret it. There’s a specific pattern that shows up in the mouth months before people notice symptoms anywhere else. It’s subtle. It’s predictable. And once you see it, you can’t unsee it. If you’re the kind of person who likes understanding the why behind your body’s signals, or if you’ve ever had symptoms that didn’t make sense until someone finally connected the dots. You’ll want to be in the room for this one. If you want the full map, the clinical reasoning, and the “oh my god why did no one tell me this sooner” moment, be here this evening. AND TONIGHT I AM RELEASING IN THE CLASSROOM THE DOCUMENTARY "LIFE ON US: A MICROSCOPIC SAFARI." There’s a whole planet you’ve been carrying around your entire life, and you’ve never actually seen it. Not metaphorically. Literally. AND IT IS FASCINATING! Your body is home to a sprawling, bustling, microscopic wilderness: trillions of organisms living on your skin, in your mouth, in your gut, in your hair follicles, in the folds you never think about. They compete, cooperate, feed, breed, defend you, irritate you, and sometimes hijack you. And they’ve been shaping your health, your immunity, your metabolism, and even your behavior since the day you were born.

In keeping with today's sleep topic. Common Supplement Shows a Concerning Link to Heart Failure Research into a popular sleeping aid has some scientists worried about long-term usage. A recent analysis of adults with insomnia, which has not yet been peer-reviewed, found that people prescribed melatonin for more than a year are at greater risk of heart issues. Among more than 130,000 adults across multiple countries, those who were prescribed melatonin long-term had an 89 percent higher risk of heart failure over five years, and were twice as likely to die from any cause, compared with those not prescribed melatonin. The findings are preliminary and don't change current health recommendations. They do not necessarily mean that melatonin – the fourth most popular natural product taken by adults in the US is causing dangerous repercussions. What the results do suggest is that longer-term uses of melatonin need to be studied further to ensure they are safe. Melatonin is typically considered safe and well-tolerated for short-term use among those who are not pregnant or breastfeeding. That means 1 to 2 months. There are limited studies on the supplement's effects after that time, a situation that some researchers believe should be remedied, especially as the supplement grows in popularity. The research was presented last November at the American Heart Association's Scientific Sessions. A melatonin supplement replicates a hormone naturally produced by the brain to help keep the body's internal clock ticking. Taking this substitute at the end of the day can help some people fall asleep and stay asleep. In the US and many other nations, melatonin supplements are available over the counter, which means patients can take them without medical guidance or supervision on dosage or length of use. A secondary analysis found that those who took melatonin for over a year were almost 3.5 times as likely to be hospitalized for heart failure when compared to those not taking melatonin.

Ohio Department of Agriculture Issues Statewide Quarantine to Combat Spotted Lanternfly The Ohio Department of Agriculture (ODA) issued a statewide quarantine in Ohio for the invasive Spotted Lanternfly (SLF) effective February 17, 2026. Previously, 18 Ohio counties were under quarantine. Under the quarantine, products such as trees and nursery stock may not be moved out of Ohio without a compliance agreement, permit, or inspection certificate. Producers who ship these products to non-regulated areas must have their stock inspected, and each load must be accompanied by a certificate which confirms their product is free of SLF. https://agri.ohio.gov/home/news-and-events/all-news/oda-issues-statewide-quarantine-to-combat-spotted-lanternfly-2-2026

Most people imagine parasites as dramatic invaders. In reality, the successful ones are quiet. Their entire survival strategy is built on immune evasion, tissue compensation, and symptom overlap with everyday life. Parasites don’t thrive by causing mayhem. They thrive by modulating physiology just enough to stay undetected. Below is how they stay undercover, and the clinical patterns that matter. 1. Helminths (Worms) Large, multicellular organisms that trigger Th2‑dominant immune responses and often suppress inflammation to avoid detection. Common stealthy helminths: - Hookworm (Ancylostoma, Necator): Attaches to intestinal mucosa = chronic micro‑bleeding = iron‑deficiency anemia. Patients often report “I’m just tired lately.” - Whipworm (Trichuris): Lives in the cecum = mild mucus, intermittent diarrhea = often misdiagnosed as IBS. - Roundworm (Ascaris): Can live for years with minimal symptoms; may cause transient cough during lung migration. - Tapeworm (Taenia): Absorbs nutrients directly = subtle weight or appetite changes. Clinical stealth mechanisms: - Secretion of IL‑10–like molecules that dampen inflammation - Suppression of mast cell activation - Minimal mucosal disruption = minimal alarm signals 2. Protozoa (Microscopic Parasites) Single‑celled organisms that cause low‑grade inflammation, malabsorption, or motility changes without dramatic symptoms. Common stealthy protozoa: - Giardia: Damages brush border enzymes = lactase deficiency, bloating, post‑infectious fatigue. - Blastocystis hominis: Highly variable; can alter gut microbiota = gas, cramping, or nothing at all. - Dientamoeba fragilis: Causes subtle abdominal pain, loose stools, or mild eosinophilia. - Cryptosporidium: Often mild in healthy adults; can cause prolonged symptoms in stressed immune states. Clinical stealth mechanisms: - Patchy mucosal involvement, stool tests may miss it - Symptoms mimic IBS, food sensitivities, or stress - Low‑grade cytokine release, fatigue without fever