Atrial fibrillation (AFib) is an electrical disorder of the heart’s upper chambers that causes rapid, irregular electrical signals. It may be caused by heart surgery, high blood pressure, or have no ...

Amanda MacMillan is a health and science writer and editor. Her work appears across brands like Health, Prevention, SELF, O Magazine, Travel + Leisure, Time Out New York, and National Geographic's The ...

Decades of research have shown that air pollutants such as ozone and particulate matter (PM) increase the amount and seriousness of lung and heart disease and other health problems. More investigation ...

MiraLAX is an over-the-counter laxative that holds water in the stool to soften it and increase bowel movements. Common side effects include loose stools, nausea, gas, bloating, and cramping. MiraLAX ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

Ionizing radiation Ionizing radiationRadiation with so much energy it can knock electrons out of atoms. Ionizing radiation can affect the atoms in living things, so it poses a health risk by damaging ...