Field notes on bloodwork, wearables, and reading the body continuously — from the team at Depth.https://depth.fit/en-ushttps://depth.fit/blog/how-to-combine-wearable-data-with-blood-work/https://depth.fit/blog/how-to-combine-wearable-data-with-blood-work/A step-by-step guide on how to combine wearable data with blood work: baseline your HRV, RHR, sleep and glucose, pick the right panel, and read them as one.Tue, 09 Jun 2026 00:00:00 GMTApproachRaghav Duahttps://depth.fit/blog/why-dont-doctors-test-fasting-insulin/https://depth.fit/blog/why-dont-doctors-test-fasting-insulin/Why don't doctors recommend fasting insulin tests? The honest answer: guidelines, reimbursement, and assay variability target glucose and HbA1c instead.Mon, 08 Jun 2026 00:00:00 GMTSciencePrithvish Baidyahttps://depth.fit/blog/why-dont-doctors-test-apob/https://depth.fit/blog/why-dont-doctors-test-apob/Why don't doctors test ApoB? The standard panel, guideline lag, and Medicare's LDL-C rules explain the gap — and why a single ApoB draw still matters.Sat, 06 Jun 2026 00:00:00 GMTSciencePrithvish Baidyahttps://depth.fit/blog/best-at-home-blood-test-for-longevity-markers/https://depth.fit/blog/best-at-home-blood-test-for-longevity-markers/The best at-home blood test for longevity markers isn't the one with the most markers. The six that move first, and how to choose a panel that reads them well.Thu, 04 Jun 2026 00:00:00 GMTProductPrithvish Baidyahttps://depth.fit/blog/introducing-the-founders-edition/https://depth.fit/blog/introducing-the-founders-edition/The first 1,000 people to join Depth become Founders: a numbered card, a free Recap on day one, and first access to everything that ships after.Wed, 03 Jun 2026 00:00:00 GMTProductRaghav Duahttps://depth.fit/blog/ai-health-coach-for-wearable-data/https://depth.fit/blog/ai-health-coach-for-wearable-data/An AI health coach for wearable data reads your Oura, Apple Watch and CGM together, explains why a number moved, and tells you the one thing to change.Tue, 02 Jun 2026 00:00:00 GMTProductRaghav Duahttps://depth.fit/blog/track-blood-biomarkers-and-fitness-tracker-data-app/https://depth.fit/blog/track-blood-biomarkers-and-fitness-tracker-data-app/Most apps track blood biomarkers or fitness-tracker data, never both. Here's what an app that reads labs and wearables on one timeline should do.Sun, 31 May 2026 00:00:00 GMTProductRaghav Duahttps://depth.fit/blog/inside-the-depth-recap/https://depth.fit/blog/inside-the-depth-recap/The Depth Recap turns every blood panel and wearable trend into one clear read: what changed, what it means, and the one or two things worth doing.Wed, 27 May 2026 00:00:00 GMTProductRaghav Duahttps://depth.fit/blog/ferritin-low-but-sleep-is-good/https://depth.fit/blog/ferritin-low-but-sleep-is-good/Wondering why your ferritin is low but sleep is good and you're still tired? Low iron stores sap energy before anemia shows. The thresholds and what to do.Mon, 25 May 2026 00:00:00 GMTSciencePrithvish Baidyahttps://depth.fit/blog/at-home-blood-draw-service/https://depth.fit/blog/at-home-blood-draw-service/How an at-home blood draw service near you works in India: fasting prep, the markers you can draw at home, turnaround, and why it beats a lab trip.Sat, 23 May 2026 00:00:00 GMTProductRaghav Duahttps://depth.fit/blog/continuous-beats-the-annual-physical/https://depth.fit/blog/continuous-beats-the-annual-physical/An annual physical measures you for fifteen minutes once a year. Your body changes faster than that. Continuous monitoring watches the drift between readings.Thu, 21 May 2026 00:00:00 GMTApproachRaghav Duahttps://depth.fit/blog/the-biomarkers-your-doctor-isnt-tracking/https://depth.fit/blog/the-biomarkers-your-doctor-isnt-tracking/A standard panel covers maybe fifteen markers. The ones that predict where your health is heading are usually not on the list.Tue, 19 May 2026 00:00:00 GMTSciencePrithvish Baidyahttps://depth.fit/blog/what-a-normal-blood-panel-misses/https://depth.fit/blog/what-a-normal-blood-panel-misses/A normal blood panel tells you whether you're sick, not whether you're well. Here's what it misses, and how to read the gap where most of your health lives.Sun, 17 May 2026 00:00:00 GMTSciencePrithvish Baidyahttps://depth.fit/blog/your-body-is-a-time-series/https://depth.fit/blog/your-body-is-a-time-series/Reading your labs and wearables one at a time treats your body as a still photo. Read as a trend over time, the signal is in the motion between frames.Fri, 15 May 2026 00:00:00 GMTApproachPrithvish Baidyahttps://depth.fit/blog/apob-not-ldl/https://depth.fit/blog/apob-not-ldl/LDL cholesterol is the number everyone watches. ApoB is the one actually doing the damage, and the two don't always agree.Wed, 13 May 2026 00:00:00 GMTSciencePrithvish Baidyahttps://depth.fit/blog/how-we-built-the-depth-score/https://depth.fit/blog/how-we-built-the-depth-score/One number to answer a hard question: how is your body actually doing? Here's what goes into it, and what we refused to let it become.Mon, 11 May 2026 00:00:00 GMTProductPrithvish Baidyahttps://depth.fit/blog/trends-beat-thresholds/https://depth.fit/blog/trends-beat-thresholds/A threshold tells you when you've already crossed a line. A trend tells you you're heading for it, while there's still time to turn.Sat, 09 May 2026 00:00:00 GMTApproachRaghav Dua