SARS-CoV-2 has been circulating in the global population for over a year. According to Worldometer, at the time of this writing on March 2, 2021, 115 million people have been infected with the virus, 2.5 million have died, and 90 million have survived the infection to go on to have possible immunity. The immune response to the virus can range from asymptomatic to severe illness and death and has aroused fear and uncertainty around the world. For those who have been infected with SARS-CoV-2 and survived, some experience prolonged symptoms beyond recovery from the acute illness. Long COVID presents with ongoing symptoms of fatigue, post-exertional malaise (PEM), sleep issues, headaches, brain fog, cognitive issues, depression, anxiety, musculoskeletal pain, respiratory distress, and muscle weakness that extends far beyond initial recovery.…

Tags: Covid19, Brain Health, Neurotransmitters


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Long COVID and the Systemic Effects of Post-Viral Syndromes Part I: The Central Nervous System

Last weekend I went whitewater rafting. A particularly turbulent patch of the rapids caught me off guard, when I tumbled off the raft into the water. It all happened so quickly. We hit a big rock, the raft turned vertical and I fell into the river. I was swept under and spat back out, my body tossed around like a tiny paper boat. I was gasping for air with the whitewater waves rising in front of me, crashing over…

Tags: Cortisol, Neurotransmitters, Brain Health, Mental Health, Heart Health, Stress


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Understanding a Broken Heart – The Physiology of Grief

Growing up, I never thought of myself as a runner, or really a good athlete in general. I played every sport possible as a kid growing up in Minnesota, but I was never great, which is why I never played high school sports (other than trying cross country skiing the one year we didn’t end up having any snow…). As an adult, I started playing team sports again and eventually was convinced to run a…

Tags: Athletes, Testosterone, Estrogen, Progesterone, Thyroid Health, Vitamin D, Neurotransmitters


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How Your Hormones Affect Athletic Performance and Why You Need to Start Testing

In the U.S., the Thanksgiving holiday is upon us - a day traditionally set aside to gather, feast and give thanks. Aside from the holiday that reminds us to be thankful, gratitude in and of itself brings on powerful emotions of contentment, satisfaction, and resilience. There is an abundance of research on the benefits of spending even 5 minutes expressing, writing about, or meditating on…

Tags: Mental Health, Stress, Depression, Sleep, Hormone Balance, Neurotransmitters, Adrenal and Cortisol, Hormone Testing, Saliva Testing


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Practicing Gratitude for Ultimate Self-Care

Over the past few years, dozens of Moon Milk recipes have appeared on various culinary and wellness blogs. These beautifully colorful and fragrant bedtime drinks are a trendy twist on the traditional Ayurvedic preparation of warm milk with an adaptogenic herb, usually Ashwagandha, given at bedtime to promote restorative sleep. Cow, coconut or nut milk may be used, and recipes often include other…

Tags: Sleep, Herbs, Stress, Anxiety, Neurotransmitters, Weight Management, Adrenal and Cortisol


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Ashwagandha: Ancient Medicine for Modern Adrenals

We are heading into the new year with a goal to strengthen our understanding of hormones, neurotransmitters, and heavy metals and the influence they have on our overall health and wellness. As we welcome 2019, we would like to take a moment to look back at our most popular blog posts from last year. Serotonin, or rather its deficiency, frequently…

Tags: Depression, Neurotransmitters, Stress, Mental Health, Heavy Metals, Sleep


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Looking Back: Popular Articles for Providers in 2018

Did you know that ZRT offers clinical case reviews for neurotransmitter testing? If you want to learn more, check out Dr. Kate’s Clinical Cases, a library of presentations, created by Dr. Kate Placzek, to assess patient issues with the aid of neurotransmitter testing. You’ll find case presentations focused on various conditions from anxiety and depression, ADHD, PTSD, insomnia and many others,…

Tags: Breast Cancer, Neurotransmitters, Menopause, Heavy Metals


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A Case Study for Breast Cancer Awareness Month

Looking for case studies on how neurotransmitter testing can help patients? Want to learn more about interpreting these tests? We invite you to discover Dr. Kate’s Clinical Cases, a library of presentations, created by Dr. Kate Placzek, to assess patient issues with the aid of neurotransmitter testing. You’ll find case reviews on conditions including anxiety and depression, ADHD, PTSD, insomnia and…

Tags: Neurotransmitters, Menopause, Mental Health


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A Case Study for Menopause Awareness

Glycine has a calming effect on the brain – it helps you wind down and prepare for sleep. Its role as an inhibitory neurotransmitter has been unfolding over many years of ongoing research efforts. Easily one of the most versatile amino acids, glycine serves as a building block to proteins (collagen, the most abundant protein in our body, is one-third glycine), and is heavily utilized for the…

Tags: Neurotransmitters, Mental Health, Brain Health, Sleep


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Glycine – A Small Molecule with a Big Impact on Sleep

Gamma-aminobutyric acid, better known as GABA, is the neurotransmitter known for its affinity for GABA receptors throughout the central nervous system (CNS). It acts to inhibit excitatory processes – whether they be normal or pathological. It's synthesized from the excitatory neurotransmitter glutamate in a process that requires vitamin B6 as a cofactor. The delicate balance in the brain between…

Tags: Sleep, Neurotransmitters


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The Connection Between GABA & Sleep Disturbances

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