Kristen Sparrow, MD

Circadian stage-dependent and stimulation duration effects of transcutaneous auricular vagus nerve stimulation on heart rate variability

In this study there were 3 findings. 1. HRV showed significant improvement in vagal activity in the morning.  In the evening there were no similar...

Heart Rate and Autonomic Nervous System Activity Relationship During Acupuncture Associated with Postural Change and Effect on Menopausal Symptoms:

In addition to showing that just 4 weeks of acupuncture improved menopausal symptoms, these authors show that vagal activity is enhanced with acupuncture needling in...

Statins controversies, diabetes risk

Statins are widely prescribed to lower cholesterol in order to prevent blockage of coronary arteries.  They do carry some risks though!  Click through to read...

Effect of Transcutaneous Vagal Nerve Stimulation and Deep Breathing on HRV

Both deep breathing and TAVNS increased HRV in this study.  I discourage patients’ deep breathing while I’m measuring their HRV during acupuncture treatment or acupuncture...

Different Transcutaneous Auricular Vagus Nerve Stimulation Parameters Modulate the Anti-Inflammatory Effects on Lipopolysaccharide-Induced Acute Inflammation in Mice

In this study, the researchers were measuring inflammatory marker levels as a function of the frequency of Transcutaneous Auricular Vagal Nerve Stimulation.  They found that...

Transcutaneous Auricular Vagus Nerve Stimulation Improves Inflammation but Does Not Interfere with Cardiac Modulation and Clinical Symptoms of Individuals with COVID-19:

When I went to the Neuromodulation conference in May in Barcelona, there was a presentation by someone from Sevilla, who showed improvement in symptoms in...

Can acupuncture improve objective sleep indices in patients with primary insomnia? A systematic review and meta-analysis

Good sleep for long life Nice study.  Other sleep study here, and here Zhao FY, Fu QQ, Kennedy GA, Conduit R, Zhang WJ, Wu WZ, Zheng...

More on Doctored Images in Research Studies

To follow up on the blog post about the doctored images in a landmark study on Alzheimer’s, this article   Is written by a scientist who...

Effects of Acupuncture on Heart Rate Variability During Sleep: Comparison with Nonacupuncture Site Stimulation Using a Crossover Design.

Sleep for Longevity This is a very  nice study that looks at HRV during sleep comparing verum acupuncture with sham acupuncture.  They find that there...

Does Running Really Harm Your Knees?

Top view of fitness woman running on pavement “Does Running Really Wreck Your Knees?” Contrary to popular opinion, distance running rarely causes knee problems in...