Health

Solar storms that cause auroras may be messing with your heart

Solar storms that cause auroras may be messing with your heart

Your heart does more than pump blood. It also broadcasts tiny timing shifts that doctors read as heart rate variability (HRV), a window into the balance of your autonomic nervous system (ANS). A five‑month field study now suggests those shifts rise and fall with patterns in space weather.  “The study makes a striking correlation between people’s HRV and …

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Why Everyone’s Brain Feels So Broken Right Now, Says Cancer Doctor

Why Everyone’s Brain Feels So Broken Right Now, Says Cancer Doctor

We’re flooded with inputs our brains were never designed to handle. The result? Poor focus, memory glitches, and emotional fatigue. I’ve developed five daily habits — used with patients and in my own life — that help restore clarity.  I’ve seen more frazzled, forgetful, foggy patients this year than ever before. Not because they’re sick. Not because they’re old. But …

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Soup Can Help You Recover Faster From Colds And Flus : ScienceAlert

Soup Can Help You Recover Faster From Colds And Flus : ScienceAlert

For generations, chicken soup has been a go-to remedy for people feeling under the weather. It holds a cherished place in many cultures as a comforting treatment for colds and flu. But is there any real science behind the idea that soup can help us recover from respiratory infections? Alongside colleagues, I conducted a systematic review to explore this question, …

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Humans used to have straighter teeth—what changed?

Humans used to have straighter teeth—what changed?

How farming may have reshaped the human face Ancient human skulls were strikingly different from our own. Early hunter-gatherers had large, powerful jaws built for the demanding work of chewing tough meats, fibrous vegetables, seeds, and nuts. But around 12,000 years ago, things began to change. As humans around the world traded hunting for farming, their diets changed too, incorporating …

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Factors linked to lung cancer in never-smokers

July 15, 2025 At a Glance A study linked fine-particle air pollution and other environmental factors to genetic changes in people with lung cancer who never smoked. The study provides new insights into how lung cancer develops in never-smokers and could inform future prevention strategies. Tobacco smoking is the main cause of lung cancer, but researchers are working to understand …

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Sugar, sex and your health: The connection you might be ignoring

Sugar, sex and your health: The connection you might be ignoring

Facebook Tweet Email Link Dr. Jamin Brahmbhatt is a urologist and robotic surgeon with Orlando Health and an assistant professor at the University of Central Florida’s College of Medicine. When most of us think about sugar, I bet we’re not thinking about our sex lives. We’re thinking about dessert. I’m writing this with the help of a bowl of vanilla …

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Is the Supplement Ready for Clinical Use?

Is the Supplement Ready for Clinical Use?

Popular among bodybuilders, creatine supplementation is gaining traction for its potential use beyond athletic performance. Researchers are exploring its clinical role in managing muscular and neurologic disorders, as well as its application in geriatric care. But what evidence supports these broader uses? When is creatine appropriate to recommend, at what doses, and are there contraindications? Medscape’s Portuguese edition spoke with …

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