The rear PPG passively determines blood oxygen levels as well. The watch’s extra photo-plethysmography sensor is on the 1.1-inch watch face. That PPG can estimate blood pressure by measuring how ...

Scientists discovered a gut enzyme that can convert A, B, and AB blood into universal Type O—revolutionizing transfusions and ...

"Dreamboy" singer-songwriter Lil Nas X told fans on April 14 that he had “lost control” of the right side of his face Emily Blackwood is a writer and editor at PEOPLE. She has been working at ...

Blood tests can help a doctor diagnose a variety of health conditions, including infections, anemia, high cholesterol, vitamin deficiencies, organ failure, HIV, cancer, and diabetes. Doctors use ...

A blood pressure (BP) reading consists of two numbers: systolic vs. diastolic pressure. Both numbers give important information about your health. However, your healthcare provider might give more ...

Blood pressure and heart rate (pulse) are two important vital signs measured during a healthcare visit. Blood pressure (BP) is a measure of the force of blood on the blood vessel walls. Blood vessels ...