A Genetic Mutation is Responsible for Mysterious Deaths in the American Amish Community, Researchers Say

In a new paper this week, doctors at the Mayo Clinic say they’ve uncovered the cause of a mysterious heart condition that had suddenly killed over a dozen young, healthy members of a tight-knit Amish community in the United States. The culprit? A previously undiscovered genetic mutation that runs in families. Read More >>

An Indigenous Group Famous for Its Heart Health Started Using Cooking Oil—and Began Gaining Weight

A group of indigenous people in Bolivia are famous for their healthy hearts, but a new study shows that they are experiencing higher rates of obesity after the introduction of processed cooking oils to their diet. Read More >>

TV Watching is Worse for Your Heart Than Sitting at Work, Study Finds

Some kinds of sitting around are worse for your heart than others, at least according to a new study out today. The findings suggest that watching more hours of TV a day can raise your risk of eventual heart disease and early death. At the same time, more sitting at work might not have any apparent negative effect on your heart health. Read More >>

A Heart Failure Patient Actually Coughed Up This Blood Clot Shaped Like a Lung Passage

Though it resembles a coral, root system, or some other kind of growth, the above photo actually depicts a six-inch-wide blood clot in the near-perfect form of the right bronchial tree of a human lung, the Atlantic reported on Thursday. Even more uncomfortable is the revelation that it was not removed by medical staff, but in fact coughed up by a patient who was suffering from heart failure. Read More >>

Booze Not So Great for the Heart After All, Study Says

It might take less alcohol than we think to damage the heart and shorten our lifespans, suggests a new study published today in The BMJ. For many, the threshold might be fewer than one drink a day. Read More >>

Scientists Say This Society Has the Healthiest Hearts On Earth

Researchers have identified the Tsimane people as having the healthiest hearts in the world. As expected, diet and exercise are believed to be responsible for the population's incredible heart health well into old age. What’s perhaps most surprising about their diet is how heavy it is in carbs. Read More >>

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This Disturbingly Brilliant Machine Makes Dead Hearts Beat Again

The squeamish amongst you may struggle to get the image out of your head, but this machine deserves recognition. It’s called the Organ Care System, and it’s capable of resurrecting dead hearts. By the way, that’s not a lazy way of saying it keeps live hearts from brain-dead people beating -- it actually works on hearts that have already stopped functioning. Read More >>

This Heart-on-a-Chip Beats Like the Real Thing

Though it may not look at all like the muscle in your chest, this heart-on-a-chip can beat like the real thing. A blend of microfluidics and biological cells, the device will be used as a more efficient means of testing for drug toxicity. Read More >>

Victoria’s Secret Goes High-Tech With Heart-Rate Sensor Bra

This bra from expensive underwear specialist Victoria's Secret is the company's first tech-aware bit of sporting lingerie, coming with embedded electrodes for connection to any of today's legion of heart-rate tracking sensors. Read More >>

This Tiny Metal Pill is the Smallest Pacemaker Ever Implanted

The world is one step closer to a future where tiny ship-like vessels travel through our veins and fix our health problems. Recently, doctors across the United States implanted the world's smallest pacemaker into cardiac patients. The device is roughly the size of a large vitamin pill and is attached directly to the heart without invasive surgery. Read More >>

This Amazing Flexible Heart Cover Could Replace Pacemakers for Good

This amazing 3D piece of silicone dotted with electronics looks like something out of the future—because it is. In fact, this potential pacemaker replacement fits over the human heart and is capable of monitoring and, soon, responding to, its vital signs. Read More >>

Revolutionary Membrane Can Keep Your Heart Beating Perfectly Forever

You're looking at a rabbit's heart beating outside the animal that once hosted it. It's alive, pumping blood on its own thanks to a revolutionary electronic membrane that may save your life by keeping your heart beating at a perfect rate. Read More >>

Heart Cells Power This Swimming, Sperm-Like Bio-Bot

Say what you will about these sperm-like bio-bots; they've got heart. The beating of live heart cells propels a tail back and forth, so that these self-powered swimming bio-bots—the first of their kind—could one day wriggle through your body delivering drugs. No batteries needed. Read More >>

These are the First Ever Images of a Heart Injected With Liquid Metal

It may surprise you that, despite our seemingly vast knowledge of the human body, we're still decently in the dark when it comes to the smaller portions of the cardiovascular system. Even more surprising, the answer to that problem isn't lying in more powerful microscopes. It's in a heart pumping pure, shiny liquid metal. Read More >>

The First Artificial Hearts Were the Size of a Hot Dog Stand

It might look more like something a street vendor would serve up food from, but, believe it or not, this is one of the first ever artificial hearts. Read More >>