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Paste a link. Depth handles everything else — transcript, thesis, research, verification.

1

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Paste any TikTok, Instagram Reel, or YouTube link. Add context if you want, or just drop the URL.

2

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Depth transcribes the video, finds the core thesis, and pulls out the key claims being made.

3

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Claims are cross-referenced against published research and primary sources. A credibility score is assigned.

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Example
This is what Depth makes

One 4-minute TikTok on cold exposure. This is what ends up in your library.

getdepth.ai — Library
Cold Exposure Protocol for Focus & Energy
🎵 @hubermanlab · TikTok
7/8
Deliberate cold exposure (11 min/week total) robustly increases baseline dopamine and norepinephrine, improving focus and energy for hours post-exposure — without the crash of stimulants.
Vetted Neuroscience / Performance Mar 14
🔬 What Depth Found ▼
7/8
Source type: Peer-reviewed research
Consensus: Strong scientific support
Notes: Core claims well-supported; 11-min figure is a protocol synthesis, not a single study threshold
Verified Claims
  • ✅
    Cold water immersion significantly elevates dopamine — up to 250% above baseline — with levels remaining elevated for several hours post-exposure.
    Søberg et al., 2021 — Cell Reports Medicine
  • ✅
    Deliberate cold exposure increases norepinephrine by 300–400%, with measurable effects on focus and attention persisting well after the session.
    Shevchuk, 2008 — Medical Hypotheses
  • ⚠️
    The "11 minutes per week" threshold is Huberman's protocol synthesis — not a finding from a single validated study. Benefits were observed across a range of durations.
    Inferred from multiple studies; not a single-source threshold
Research Summary
The underlying science is solid. Catecholamine release from deliberate cold exposure is one of the more reproducible findings in this space. The practical protocol described aligns with the literature, though the exact 11-min/week figure is a synthesized recommendation. Effects apply to cold showers as well as full immersion.

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