Your doctor orders a CBC and metabolic panel every year. Here is what each number means, when to worry, and when the reference range is misleading.
Latest
The RDA of 0.8 g/kg is a minimum to prevent deficiency, not an optimal target. The evidence supports substantially more.
EPA and DHA have the strongest evidence base of any supplement category. Here is exactly what they do, what they do not, and how much you need.
42% of American adults are vitamin D deficient. The clinical threshold, optimal level, and supplementation strategy remain actively debated.
The term is everywhere. The evidence is specific. Here is what dietary patterns actually reduce inflammatory markers in clinical trials.
400 mg daily is considered safe for most adults. But the effects on sleep, anxiety, and pregnancy vary by individual genetics.
The electrolyte market has exploded. Most people drinking electrolyte packets do not need them. Some who need them are not taking them.
Average intake is 15 grams. The recommendation is 25-38 grams. The health consequences of this gap are measurable.
The WHO recommended against non-sugar sweeteners in 2023. The evidence behind that recommendation deserves a closer look.
Anxiety disorders affect 40 million American adults. The evidence hierarchy for treatment is clear, but undertreated cases remain the norm.
The WHO classified burnout as an occupational phenomenon in 2019. Here is how it differs from depression and what recovery looks like.
Three of the most evidence-based therapy modalities, compared on mechanism, evidence quality, and which conditions each treats best.
Mental health apps number in the thousands. Clinically validated options number in the dozens.
There is no five-stage model. There is no normal timeline. Contemporary research tells a more complex and more humane story.
At-home cortisol tests are marketed as stress diagnostics. The clinical utility is far more limited than the marketing implies.
Adult ADHD diagnoses have increased 123% since 2020. The reasons include both genuine under-recognition and concerning overdiagnosis trends.
Different forms have different absorption, different target tissues, and different evidence bases.
Probiotics are strain-specific, condition-specific, and dose-specific. A generic capsule is not evidence-based medicine.
The most popular adaptogen has a growing but uneven evidence base. Here is what holds up and what does not.
Most people take too much melatonin too late. The evidence supports lower doses at specific times for specific conditions.
The most studied supplement in sports nutrition. Its applications outside of exercise are now generating serious clinical interest.
The $7 billion collagen market promises youthful skin and strong joints. The science tells a more complicated story.
We analyzed independent lab data on 40 multivitamins. One-third failed to meet label claims.
Curcumin is a potent anti-inflammatory compound with a severe absorption problem.
N1, N2, N3, REM. Each stage serves a different function. Understanding the architecture helps explain why you wake up rested or ruined.
We measured the actual noise reduction of 18 earplugs using calibrated equipment. The NRR on the package is not what you experience.
Blue-light-blocking glasses are a $50 billion industry. The evidence is weaker than the marketing suggests.
A 20-minute nap at the right time improves performance more than caffeine. A 40-minute nap at the wrong time worsens your night.
Consumer sleep trackers are increasingly popular. We compared 8 devices against the clinical gold standard.
The body must cool by 1-2 degrees to initiate sleep. Room temperature is the primary environmental lever.
Alcohol helps you fall asleep. Then it systematically dismantles your sleep architecture for the rest of the night.