Floss-based vaccine shows early promise - National Institutes of Health (NIH) | (.gov)

As Canadians prepare for Halloween, the Canadian Ophthalmological Society (COS), the Canadian Association of Optometrists (CAO) and the Opticians Association of Canada (OAC) are reminding the public that cosmetic contact lenses can pose serious risks to eye health, even when worn for a single occasion. Cosmetic contact lenses, also called decorative, coloured or costume lenses, change the appearance of the eyes without correcting vision. Like corrective contact lenses, they sit directly on the eye and require professional guidance on fit, use and care. Improperly fitted or handled lenses can cause scratches to the cornea, allergic reactions and infections, with complications that may threaten vision.

For tens of millions of people, dental implants have provided a way to replace missing teeth with a full set of fixed, functional teeth rather than removable dentures. However, an estimated 10% to 20% of implant patients eventually develop peri-implantitis, a serious infection that damages the surrounding jawbone. Antibiotics frequently fail to control this condition, and scientists have struggled to understand why. Now, researchers believe they have uncovered the mechanism responsible.

The findings challenge the assumption that all major reproductive hormonal transitions affect brain structure in similar ways. Continue reading Menopause may change the brain in ways puberty and pregnancy don’t on Tech Explorist .

More people are low in iron than in any other micronutrient, according to the American Society of Hematology. But many live with fatigue, weakness, brain fog and other symptoms for months or years before a deficiency is caught. Nearly one-third of adults in the United States may be iron deficient, according to a 2024 study. And routine screening among children and pregnant women — who are at high risk — may miss more than 70% of cases.

More people are low in iron than in any other micronutrient, according to the American Society of Hematology. But many live with fatigue, weakness, brain fog and other symptoms for months or years before a deficiency is caught. Nearly one-third of adults in the United States may be iron deficient, according to a 2024 study. And routine screening among children and pregnant women — who are at high risk — may miss more than 70% of cases.

News|Videos|October 22, 2026 Amit X. Garg, MD, PhD, discusses new JAMA data on preeclampsia risk after living kidney donation in a 3-part video interview. A 3-part video interview covers new Canadian data on hypertensive disorders, small for gestational age births, and donor counseling. Whether donating a kidney will affect future pregnancies is one of the questions living donor candidates of childbearing age raise most often, and counseling practices still vary across transplant centers.¹A matched cohort study presented at American Society of Nephrology (ASN) Kidney Week 2026 and published simultaneously in JAMA offers new data. Hypertensive disorders of pregnancy, including gestational hypertension and preeclampsia, occurred in 11.9% of donor pregnancies vs 8.3% of matched nondonor pregnancies across 3 Canadian provinces, though more than 88% of donor pregnancies were unaffected.¹,² Small for gestational age (SGA) births were also more common among donors.¹Amit X.