Fluoride Exposure and Children’s IQ: What a Major New Study Reveals

Glass being filled with tap water from a kitchen faucet

Is your tap water affecting your child’s brain development? A major new study reveals a possible link between fluoride exposure and children’s IQ, but that link may not be as important as you may think. As always, the details are in the nuance. The Big Picture What if something meant to protect your child’s health […]

Research Review: Do Pesticides Affect Gut Microbiome?

Illustration of a lab mouse eating food sprayed with pesticide

A new scientific study published in the prestigious journal Nature, titled “Mapping pesticide-induced metabolic alterations in human gut bacteria“, has revealed something important about the way common pesticides might affect the bacteria living in your gut and possibly your health too. But as always with science, a single study does not prove anything and is only part […]

Antioxidants and Ageing: Why the Science Isn’t So Simple

Antioxidant-rich berries and supplements, illustrating claims that antioxidants slow ageing

Almost everyone has heard the claim that antioxidants slow ageing. It appears on food labels, supplement packaging, and wellness content with a certainty the underlying science has never quite earned. The logic sounds airtight: antioxidants neutralise free radicals, free radicals damage cells, damaged cells age faster. Therefore, more antioxidants means slower ageing. Clean, simple — […]

New Study Shows Immune Response From Heat Therapy, but There Is Fine Print

Steaming hot tub in a calm setting, representing heat therapy

Introduction Hot tubs and saunas have long been linked to relaxation, but can they actually strengthen your immune system? A study from the University of Oregon, published in the American Journal of Physiology in July 2025, looked at how three kinds of passive heat exposure affect the body. The researchers compared hot tub immersion, a […]

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