Your smartwatch may be lying to you about how many calories you burned
If you're depending on your smartwatch to tell you the truth about how many calories you burned during a workout—well, don't.
13 hours ago
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Circulatory and Respiratory Physiological Phenomena: News and Research on Cardiovascular Physiological Phenomena
MeSH tree: G09.330
Damaged red blood cells can trigger inflammation
When red blood cells break down, they release heme, a component of hemoglobin that can contribute to inflammation and damage tissues and blood vessels. Researchers at Lund University have identified a mechanism by which heme ...
Aug 31, 2026
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Dehydration can cause more than thirst: Expert explains how it can affect the heart
Dehydration can affect much more than your thirst. It also can place extra stress on your heart and cardiovascular system, explains Dr. Brodie Marthaler, a cardiologist at Mayo Clinic Health System in Eau Claire.
Aug 20, 2026
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Experimental drug shows promise in reversing high blood pressure's toll on kidneys and heart in mice
High blood pressure affects nearly 1 in 8 people worldwide, and its impact goes far beyond a number on a blood pressure monitor. It can quietly damage the heart, kidneys and brain, making it one of the world's biggest preventable ...
Eight in ten adults track their own health: New survey
Before breakfast, you may already have checked your sleep score, resting heart rate or blood oxygen level. By bedtime, you might look at your step count, stress score or even an estimate of your biological age. For millions ...
Aug 14, 2026
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Most UK adults track health themselves, yet unequal access could widen care gaps
Most people in the UK already monitor their own health and well-being, and an overwhelming majority would be happy to do more if advised by the NHS, according to a new University of Manchester–led study.
Aug 14, 2026
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Got ice‑cream brain freeze? Here's what is happening
With temperatures forecast to reach around 37°C (99°F) in places, reaching for an ice cream or an icy drink might seem like an excellent idea. There is, however, one small hazard to eating your frozen treat with too much ...
Aug 13, 2026
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An origami-inspired implant could monitor health from beneath the skin
The skin is the body's largest organ. It is a protective shield that keeps harmful pathogens out and vital fluids inside. These very properties make it a tough engineering challenge to design wearable health sensors because ...
Research: Steam increases physiological strain during sauna bathing
A newly published Finnish study demonstrates that, in addition to temperature, air humidity is a significant determinant of physiological strain during sauna bathing. As humidity increases, both heart rate and core temperature ...
Aug 3, 2026
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Scientists invent artificial brain to predict heart health
Cardiovascular disease is becoming increasingly common among people ages 20–29, according to the World Health Organization, because of the rise in metabolic conditions such as obesity, hypertension, hyperlipidemia and diabetes ...
Jul 29, 2026
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