The kidneys are responsible for maintaining the balance of acids, bases, fluids and electrolytes in the body, avoiding significant fluctuations that can lead to life-threatening conditions. Acid, base ...
Acid reflux occurs when stomach acid flows back into the esophagus and causes regurgitation or heartburn, which feels like a burning sensation in your chest or throat. If this happens regularly, you ...
National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...