Skip to content
BiologicalX

Tag · 11 items

blood-tests

All BiologicalX content tagged blood-tests, sorted newest first.

Articles (10)

A gloved hand handling vials in a laboratory setting, emphasizing safety and precision.
longevity Pillar

Longevity Biomarkers Doctors Don't Test: 12 Labs Beyond a Physical

Twelve longevity biomarkers skipped at annual physicals: apoB, Lp(a), fasting insulin, hs-CRP, DHEA-S, omega-3. What each measures, how to order blood tests.

17m read
Close-up of a gloved hand holding a test tube with blood sample in a clinical research lab.
longevity

Alkaline Phosphatase Blood Test: Normal ALP Range and Longevity Signal

Alkaline phosphatase blood test: 40-90 U/L is the longevity-optimal ALP range. Above 110 U/L raises all-cause mortality 1.5x post-MI.

7m read
Blood samples in test tubes on a light background, ideal for medical and laboratory themes.
longevity

Serum Albumin Blood Test: Normal Levels, Low Albumin Meaning

Serum albumin blood test: normal levels run 4.3 to 5.0 g/dL. Low readings flag inflammation, malnutrition, or liver and kidney disease.

7m read
From above closeup of glass full of vein blood vials with different colors lids placed on medical diaper
longevity

Serum Creatinine Blood Test: Normal Range, eGFR, and Lifter Caveats

Serum creatinine blood test: normal range 0.6-1.2 mg/dL, when high creatinine signals kidney trouble, and why lifters and vegans need eGFR plus cystatin C.

7m read
Maintenance of blood glucose levels during fasting
longevity

Fasting Glucose Levels: Normal Range, Prediabetes Cutoff

Normal fasting glucose levels run 70-99 mg/dL; prediabetes starts at 100. Cardiovascular and PhenoAge risk climb above 85 mg/dL on a fasting blood test.

7m read
glucometer, technology, device, blood sugar, diabetes, diabetic, health, hypoglycemia, test, measure, monitor, blood test, medical device, glucometer, glucometer, blood sugar, blood sugar, blood sugar, blood sugar, diabe
longevity

hs-CRP Blood Test: Reading Inflammation From a Single Number

hs-CRP blood test under 1.0 mg/L is optimal, 1 to 3 mg/L intermediate, over 3 high-risk. Confirm with two readings 4 weeks apart.

7m read
Close-up of colorful test tubes in a laboratory setting, representing scientific experimentation.
longevity

Lymphocyte Percentage Blood Test: Normal Range, High, Low

Lymphocyte percentage blood test: 24 to 36 percent is optimal. Below 20 percent doubles mortality risk. Normal range, high, low, absolute count.

7m read
Close-up of gloved hands holding a blood sample in a test tube, ideal for medical and lab contexts.
longevity

MCV Blood Test Meaning: Normal Range, High and Low Causes

MCV blood test meaning: 80 to 100 fL normal range, 85 to 92 fL longevity-optimal. High MCV flags B12 or folate deficiency; low MCV flags iron deficiency.

7m read
blood test, blood sample, medical technology, medical technologist, surgical gloves, face mask, sample, hospital worker, laboratory, lab, blood test, blood test, blood test, blood test, blood test, sample, laboratory, la
longevity

RDW Blood Test Meaning: Optimal Range, High RDW Causes, Mortality Risk

RDW blood test meaning: under 13.0% is optimal. Each point above 13 raises all-cause mortality roughly 14% in adults over 45.

7m read
diabetes, blood sugar, diabetic, medicine, insulin, hypoglycemia, illness, healthcare, glucose, test, chronic, prick, lancet, diet, disease, measurement, diabetes mellitus, health, medical, syringe, blood test, diabetes,
longevity

WBC Blood Test Meaning: Optimal Count, Reference Range, Inflammation

WBC blood test meaning, optimal 4.5 to 6.5 x10^9/L band, standard reference range, and why high-normal counts at or above 8.0 raise mortality 1.5-2x.

7m read

Essentials (1)