There's one thing you should know before diving into the conversation around masks: The public should not purchase surgical masks or N95 respirators. Health care workers are facing shortages and need ...

There are different kinds of microphones, but they all do about the same thing, which is to turn acoustic sounds into electronic signals that can be amplified, modified, or recorded. When you speak ...

Sherri Gordon, CLC is a certified professional life coach, author, and journalist covering health and wellness, social issues, parenting, and mental health. She also has a certificate of completion ...

Bag mask ventilation (BMV) is a method for providing a person with immediate ventilation in an emergency. BMV involves a medical professional manually pumping oxygen into a person’s lungs using a self ...