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Migraine vs Sinus Headache
Migraines and sinus headaches are often confused because they can share facial pain, congestion, and watery eyes—but they are fundamentally different conditions that require different treatments. Migraines are a neurological disorder commonly associated with throbbing head pain, nausea, and sensitivity to light and sound, while true sinus headaches result from inflamed or infected sinus cavities and are typically accompanied by thick nasal discharge, fever, and pain that wors

David S. Klein, MD FACA FACPM
3 days ago5 min read


What is a Mineral, and Why is it Essential?
Minerals are essential inorganic elements that the human body cannot produce but requires for normal structure, metabolism, and physiologic regulation. They play critical roles in bone formation, nerve and muscle function, fluid and electrolyte balance, enzyme activation, hormone production, and oxygen transport. Minerals differ fundamentally from vitamins and hormones, yet deficiencies and imbalances remain common in modern societies due to processed diets, aging, medical co

David S. Klein, MD FACA FACPM
5 days ago4 min read


Influenza Is Rising — COVID Is Still Circulating. Test Frequently
Influenza activity is rising as respiratory virus season accelerates, while COVID-19 continues to circulate at the same time. Because these two viruses often cause nearly identical early symptoms—fever, body aches, fatigue, sore throat, and cough—timely testing has become essential. The article emphasizes the importance of having combined at-home influenza and COVID tests readily available and using them immediately at symptom onset, rather than waiting several days.
Early i

David S. Klein, MD FACA FACPM
6 days ago4 min read
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