Some masks and respirators have a little plastic piece embedded in the fabric. It’s a one-way valve. That means it closes when you breathe in, so pathogens can’t get in through it. But when you breathe out, this valve opens, creating a doorway for your exhalation to leave the mask. Valves don’t make sense for infection […]
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Understand Neck Pain & Neck Pain Relief
The neck, the cervical spine, joins the shoulders and chest to the head, is one of the most complex and intricate structures in our body. There are many causes of neck pain, we only focus on posture related neck pain here. Pain in the back or neck is much like gray hair and forgetting where […]