MeSH tree: C14.280.067
When a heart attack damages the heart, the injured muscle is replaced by scar tissue. That scar can interfere with the electrical signals that coordinate each heartbeat, increasing the risk of dangerous rhythm disorders known ...
14 hours ago
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An estimated 10 million Americans have atrial fibrillation (AFib), according to the National Institutes of Health's National Heart, Lung, and Blood Institute. AFib is a condition in which the upper chambers of the heart beat ...
Jul 31, 2026
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The prevalence of stroke risk factors such as high blood pressure and diabetes are higher and increasing faster among black African and Caribbean groups, compared to people from white backgrounds. People from Black African ...
Jul 29, 2026
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Before advances in scientific data storage and collaboration via the cloud, medical investigators seeking health research breakthroughs had to overcome significant obstacles to collaboration and the gathering of key clinical ...
Jul 29, 2026
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Arrhythmias fall into two categories: too fast or too slow. A racing heart or a skipped beat typically falls into the "too fast" category. In younger people, typically those in their 20s to 50s, the heart may suddenly speed ...
Jul 28, 2026
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A dangerous social media trend that started in 2020 has persisted into 2026, with heartbreaking consequences.
Jul 27, 2026
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A Cleveland Clinic-led study shows a connection between elevated blood levels of TMAO (trimethylamine N-oxide)—a byproduct of gut bacteria digestion of nutrients found in red meat and other animal products—and a higher risk ...
Jul 24, 2026
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For years, scientists have known that the heart has its own network of nerves, the intrinsic cardiac nervous system (ICNS), sometimes called its "little brain." Exactly how it functions has remained something of a mystery, ...
Previous studies have found that caffeine is the world's most popular stimulant and psychoactive substance, and coffee is the most common way people consume caffeine. The latest research supports the conclusion that, for ...
Jul 20, 2026
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Allan-Herndon-Dudley syndrome is a rare congenital disease of thyroid metabolism. It occurs in approximately 1 out of every 70,000 male newborns, and its effects are devastating. Since early 2025, a medication has been approved ...
Jul 8, 2026
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