David Biederman, APRN-CNP

David Biederman, APRN-CNP
A family nurse practitioner and writer. David has extensive clinical experience as the sole provider at a primary care office and experience working at a retail clinic, doing home visits and telehealth, and working as a private duty nurse. He maintains clinical expertise and credentials as a registered nurse and family nurse practitioner. David's academic background includes a Bachelor of Arts in History and a Master of Science in Nursing, where he received a graduate fellowship.

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    • What Is Phosphatidylserine and What Does It Do?

      What Is Phosphatidylserine and What Does It Do?

      Anna Hamer

      Phosphatidylserine appears on almost every supplement marketed for memory, focus or stress. It is a real compound doing real work in the body. But what it does inside your cells...

      What Is Phosphatidylserine and What Does It Do?

      Anna Hamer

      Phosphatidylserine appears on almost every supplement marketed for memory, focus or stress. It is a real compound doing real work in the body. But what it does inside your cells...

    • Does Phosphatidylserine Improve Memory?

      Does Phosphatidylserine Improve Memory?

      Anna Hamer

      Memory is where phosphatidylserine (PS) has been studied longest, and where the results depend most on which version was tested. If phosphatidylserine is new to you, our previous article covers...

      Does Phosphatidylserine Improve Memory?

      Anna Hamer

      Memory is where phosphatidylserine (PS) has been studied longest, and where the results depend most on which version was tested. If phosphatidylserine is new to you, our previous article covers...

    • Does Phosphatidylserine Help With Stress and Focus?

      Does Phosphatidylserine Help With Stress and Fo...

      Anna Hamer

      Phosphatidylserine (PS) has been studied for its effect on cortisol and for its effect on focus. The stress research is fairly consistent. The focus research is thinner and more mixed....

      Does Phosphatidylserine Help With Stress and Fo...

      Anna Hamer

      Phosphatidylserine (PS) has been studied for its effect on cortisol and for its effect on focus. The stress research is fairly consistent. The focus research is thinner and more mixed....

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