Follow LongevityMate for calmer health-data context.
Plain-English blood work, wearable signals, Mate updates, and better questions to ask before turning one number into a plan.
Educational only, not medical advice. Last reviewed: May 30, 2026.
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How to read blood work without panic
A plain-English guide to reading lab results with context before turning one number into a plan.
Apple Watch
How to read Apple Watch Training Load and effort ratings with context
A plain-English guide to reading Training Load with effort, recent baseline, Vitals, recovery, and symptoms.
Apple Watch
What Apple Watch AFib History percentage means in context
A plain-English guide to reading AFib History estimates with wear time, life factors, symptoms, doctor review, and safety limits.
Apple Watch
What an Apple Watch low cardio fitness notification means in context
A plain-English guide to reading cardio fitness alerts with VO2 max, workout type, sensor limits, medication context, and recovery.
Apple Watch
What Apple Watch high and low heart rate notifications mean in context
A plain-English guide to reading heart-rate alerts with symptoms, sensor limits, baseline, and emergency context.
CMP
How to read a CMP blood test with context
A plain-English guide to reading glucose, electrolytes, kidney markers, liver enzymes, proteins, and trends.
Kidney markers
How to read creatinine and eGFR with kidney context
A plain-English guide to reading creatinine, eGFR, BUN, electrolytes, urine markers, hydration, muscle context, and trends.
Liver enzymes
How to read ALT, AST and liver enzymes with context
A plain-English guide to reading ALT, AST, ALP, GGT, bilirubin, trends, medicines, training, alcohol, and follow-up questions.
CBC
How to read a CBC blood test with context
A plain-English guide to reading red cells, white cells, platelets, hemoglobin, MCV, trends, and follow-up questions.
Thyroid
How to read TSH and thyroid blood tests with context
A plain-English guide to reading TSH, free T4, symptoms, medicines, trends, and follow-up questions.
Glucose
How to read HbA1c and glucose with context
A plain-English guide to reading HbA1c, fasting glucose, glucose trends, routine context, and follow-up questions.
CGM spikes
What to do when your CGM shows a glucose spike
A plain-English guide to reading CGM spikes, time in range, meal timing, sleep, stress, exercise, sensor context, and patterns.
Iron studies
How to read ferritin and iron studies with context
A plain-English guide to reading ferritin, iron studies, full blood count markers, symptoms, and follow-up questions.
Vitamin D
How to read a vitamin D blood test with context
A plain-English guide to reading 25(OH)D, supplements, sun exposure, related labs, and follow-up questions together.
Blood lipids
How to read ApoB and LDL cholesterol with context
A plain-English guide to reading ApoB, LDL cholesterol, non-HDL cholesterol, triglycerides, and risk context together.
Lipoprotein(a)
How to read Lp(a) with cholesterol context
A plain-English guide to reading Lp(a) with LDL cholesterol, ApoB, family history, and risk context.
HRV
What low HRV means in context
A plain-English guide to reading low HRV with sleep, training, recovery, and stress context before reacting to one number.
Sleep
What to do when your sleep score looks bad
A plain-English guide to reading a low sleep score with recovery, HRV, training, and routine context before reacting to one number.
Sleep + recovery
How to read sleep and recovery scores together
A plain-English guide to comparing sleep, HRV, resting heart rate, readiness, routine, and recovery context.
Heart rate
What a high resting heart rate means in context
A plain-English guide to reading higher resting heart rate with sleep, HRV, recovery, stress, and baseline context.
Readiness
What a low readiness score means in context
A plain-English guide to reading readiness with sleep, HRV, heart rate, training load, stress, illness, and trend context.
Oura Ring
How to read an Oura Ring readiness score with context
A plain-English guide to reading Oura readiness with sleep, HRV, heart rate, temperature, activity, tags, and recovery context.
WHOOP
How to read a WHOOP recovery score with context
A plain-English guide to reading WHOOP recovery with HRV, resting heart rate, sleep, strain, temperature, and baseline context.
Garmin
How to read Garmin Body Battery with context
A plain-English guide to reading Body Battery with HRV, stress, sleep, activity, resting heart rate, and recovery context.
Garmin
How to read Garmin HRV Status with context
A plain-English guide to reading balanced, unbalanced, low, or poor HRV Status with baseline, sleep, stress, and training context.
Fitbit
How to read Fitbit Daily Readiness with context
A plain-English guide to reading readiness with HRV, sleep, resting heart rate, stress, illness, and routine context.
Polar
How to read Polar Nightly Recharge with context
A plain-English guide to reading Nightly Recharge with Sleep Charge, ANS Charge, HRV, breathing rate, sleep score, and recovery context.
Samsung
How to read Samsung Health Energy Score with context
A plain-English guide to reading Energy Score with activity, sleep, heart rate, HRV, stress, training, and routine context.
Stress
What a high stress score means in context
A plain-English guide to reading stress scores with sleep, HRV, resting heart rate, readiness, recovery, and routine context.
Training
How to read training load and recovery together
A plain-English guide to comparing training load with recovery, sleep, HRV, readiness, stress, and baseline context.
Apple Watch
What an Apple Watch ECG inconclusive result means in context
A plain-English guide to reading ECG inconclusive results with recording quality, heart-rate range, symptoms, AFib, and safety limits.
Apple Watch
How to read Apple Watch health data with context
A plain-English guide to reading watch data with sleep, HRV, heart rate, readiness, activity, and routine context.
Apple Watch
What Apple Watch irregular rhythm notifications mean in context
A plain-English guide to reading irregular rhythm notifications with AFib, ECG, symptoms, doctor review, and safety limits.
Apple Watch
What Apple Watch hypertension notifications mean in context
A plain-English guide to reading possible hypertension notifications with cuff follow-up, eligibility, and safety limits.
Apple Watch
What Apple Watch sleep apnea notifications mean in context
A plain-English guide to reading sleep apnea notifications with breathing disturbances, 30-day windows, eligibility, clinician review, and safety limits.
Apple Watch
How to read Apple Watch respiratory rate during sleep
A plain-English guide to reading sleeping respiratory rate with Vitals, sleep tracking, baseline, symptoms, and non-medical-use context.
Apple Vitals
What Apple Watch Vitals outliers mean in context
A plain-English guide to reading overnight outliers with sleep, heart rate, respiratory rate, wrist temperature, training load, illness, and routine context.
VO2 max
What a low VO2 max estimate means in context
A plain-English guide to reading wearable fitness estimates with training, sleep, HRV, heart-rate, and recovery context.
Mate
Generic AI versus AI that knows your health data
A plain-English guide to why blood work, wearable trends, goals, and progress history make AI questions more useful.
Wearables
What to do when your wearable score looks bad
A plain-English guide to reading readiness, recovery, sleep, and HRV scores with context before turning one number into a plan.