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Persistent Fatigue Is Not a Diagnosis
Persistent fatigue is not a diagnosis but a signal of underlying physiologic imbalance. Chronic low energy is often driven by overlooked metabolic dysfunction, hormone signaling abnormalities, sleep disruption, immune activation, or autonomic imbalance—frequently despite “normal” labs. A systematic, physician-led evaluation can uncover reversible causes and restore vitality rather than merely suppress symptoms.

David S. Klein, MD FACA FACPM
Jan 284 min read


Is It Dementia — or Is It Something Else? Medical Conditions That Can Mimic Dementia and Cognitive Decline
Is It Dementia — or Is It Something Else?
Cognitive decline is frequently assumed to represent dementia, yet a wide range of medical conditions can closely mimic neurodegenerative disease and are often treatable when identified early. Acute delirium, commonly triggered by infection, dehydration, metabolic abnormalities, or medication effects, is one of the most frequently missed causes of sudden confusion and cognitive change. Medications themselves, particularly anticholiner

David S. Klein, MD FACA FACPM
Jan 265 min read


St. John's Wort: Why This "Natural" Supplement Can Be Medically Dangerous
St. John’s wort is often viewed as a safe, natural supplement, but it is one of the most dangerous herbal products when combined with prescription medications. By strongly inducing liver enzymes and drug transporters, it can lower blood levels of antidepressants, birth control pills, anticoagulants, and transplant medications—sometimes leading to serotonin syndrome, unintended pregnancy, stroke, or organ rejection.

David S. Klein, MD FACA FACPM
Jan 204 min read


THC, REM Sleep, and the Quiet Disruption of Sleep Architecture
THC may shorten sleep onset, but research shows it suppresses REM sleep and disrupts normal sleep architecture. Over time, this can impair memory, mood, and restorative sleep—especially with nightly use. Understanding the difference between sedation and healthy sleep is critical.

David S. Klein, MD FACA FACPM
Jan 55 min read


The Benefits of Lithium: An Emerging Role in Memory Loss & Alzheimer’s Prevention and Treatment
Low dose lithium may be a useful tool in the treatment and prevention of memory loss and alzheimer's disease. Well below the dosages used to treat psychiatric disorders, low dose lithium may provide symptomatic relief and may forestall or prevent the development of age related memory loss and dementia.

David S. Klein, MD FACA FACPM
Aug 19, 20255 min read


Exploring the Diverse World of Magnesium Chelates and Products: Pros and Cons Unveiled. Choose Intelligently
Magnesium deficiency plagues 30% of the US population. We discuss the relative advantages and subtle differences between different products

David S. Klein, MD FACA FACPM
Mar 22, 202510 min read


Melatonin: How does Melatonin Affect Diabetes, Weight Management, and Human Physiology?
Melatonin is a natural hormone that decreases with age. resulting in weight gain, sleep cycle interference, depression and hypertension.

David S. Klein, MD FACA FACPM
Mar 4, 20256 min read


Rhubestryn. Exploring the Use of Rhubarb Extract in Managing or Controlling Menopausal Symptoms
Introducing a marvelous product that provides substantial control to the hot flashes, sleeplessness, mood swings associated with menopause.

David S. Klein, MD FACA FACPM
Jan 28, 20257 min read


Over the Counter Sleep Aids: What You Need to Know to relieve Insomnia. Four products for a natural approach.
Getting a good sleep is incredibly important to maintaining health as well as preventing chronic illness.
Natural Treatment is discussed.

David S Klein, MD
Dec 16, 20243 min read


Melatonin for Children may reduce risk of Self-Harm and Suicide
Dealing with the increase in adolescent depression and suicide In recent years, there has been a concerning increase in adolescent...

David S Klein, MD
Jan 4, 20243 min read
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