Sauna vs cold shower

• Sensation
• Best timing
• Feels like
• Go easy if
• Hydrate

Two recovery tools — choose by what you want to feel.

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🧬 Can We Actually Measure How Fast You're Aging?

Aging clocks promise to tell you your biological age, but do they work? A leading longevity researcher breaks down what these tests can and can't do.

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🛍️ Wake-Up Light (Sunrise Alarm)
Sleep

An alarm that simulates a sunrise, brightening gradually before your wake time so you surface from sleep more gently than to a buzzer — helpful on dark winter mornings. Many add white noise and a wind-down sunset. Place it within view of the pillow.

👉 See it on the AgeGen shop

Affiliate link — we may earn a commission. We only recommend products we’d use ourselves.
Not medical advice — talk to a clinician before starting any new supplement.

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💪 Why Aging Muscles Lose Power: A Calcium Signaling Clue

Sarcopenia erodes strength as we age. This research points to a specific signaling pathway that may explain why, and how exercise counters it.

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🎬 Creatinine and eGFR — Kidney Function

If you lift, your creatinine can read high without your kidneys being in any trouble.
🎯 eGFR above 90 is normal · 60–89 mildly reduced, recheck and add urine ACR
❗ 30–59 moderate — see a clinician · below 30 is an urgent referral
🧠 Heavy muscle raises creatinine without kidney impairment — read it with body composition
💧 2 L water daily, moderate protein, low salt; review NSAIDs with a clinician
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📹 Keto Athletes Burned Fat at Record Levels — at 85% VO2 Max | Dr. Andrew Koutnik

Keto athletes burned fat at record levels during high-intensity exercise

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📅 Daily AgeGen — September 11, 2026

🌅 Wake up, stack your day in this order: omega-3s early, a threshold run mid-morning, your last screen 90 minutes before bed, and — if you're breaking a fast today — a protein-led first meal.

🐟 Meal — Sardine Pâté on Rye Crispbread
Mash sardines with lemon and black pepper, spread on rye crispbread — five minutes, no cooking. One serving lands a full day's omega-3, a fat your body can't make on its own. Pair it with your morning coffee and you've cleared your most important nutrient box before the day starts.

🏃 Workout — Threshold Run, 25 Minutes
Five minutes easy, then twenty minutes at lactate threshold pace — Zone 4, roughly 88–92% of max heart rate — then five minutes to cool down. Holding that edge raises your lactate clearance and lifts your VO2max ceiling. It should feel hard but controlled, not a sprint.

🧠 Mental Tip — Digital Sunset Protocol
Screens off 90 minutes before bed. Blue light can cut melatonin output by as much as half, delaying the sleep that repairs you. Swap the scroll for a book or light stretching — same wind-down, better signal.

🧬 Biohack — Refeed After a 24-Hour Fast
Break it with a moderate portion: protein first, cooked vegetables, and a slow carb source. Skip the raw salad, and skip the high-fat or high-sugar blowout — your empty stomach will thank you. Evidence level: medium. This eases digestion and avoids a sharp glucose spike.

Your habits today are tomorrow's biology. Start with the first one.

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High output demands high-quality fuel — here is your day in food.

🗓 Daily Menu

🌅 Breakfast
Buckwheat Porridge with Walnuts & Blueberries (408 kcal, 20 min)
Gluten-free whole grain with magnesium and polyphenols.

☀️ Lunch
Chickpea Pasta with Tuna, Capers & Tomato (494 kcal, 18 min)
Roughly double the protein and fiber of wheat pasta.

🌙 Dinner
Venison & Root Vegetable Casserole (464 kcal, 90 min)
Very lean red meat, high in heme iron and B12.

🍎 Snack
Roasted Edamame & Almond Mix (268 kcal)
Far more protein than standard trail mix.

📊 Day total
~1634 kcal | Protein ~116.0g | Fat ~58.0g | Carbs ~162.0g | Fiber ~40.0g
Top nutrients today: Magnesium, Fiber, Iron, Vitamin B12

Sources
• Source: Buckwheat Porridge with Walnuts & Blueberries (1)
• Source: Buckwheat Porridge with Walnuts & Blueberries (2)
• Source: Buckwheat Porridge with Walnuts & Blueberries (3)
• Source: Chickpea Pasta with Tuna, Capers & Tomato (1)
• Source: Chickpea Pasta with Tuna, Capers & Tomato (2)
• Source: Chickpea Pasta with Tuna, Capers & Tomato (3)
• Source: Venison & Root Vegetable Casserole (1)
• Source: Venison & Root Vegetable Casserole (2)
• Source: Venison & Root Vegetable Casserole (3)
• Source: Roasted Edamame & Almond Mix (1)
• Source: Roasted Edamame & Almond Mix (2)
• Source: Roasted Edamame & Almond Mix (3)

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💪 Exercise for Preserving Cognitive Function, Explained

Can training your body protect your brain as you age? Peter Attia breaks down what exercise does for long-term cognitive function.

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🧬 Blocking PD-L2 May Curb Aging Zombie Cells

Senescent cells pile up with age and drive metabolic decline. Blocking the immune protein PD-L2 prevented their buildup in this research, pointing to a possible anti-aging target.

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🎬 Banana-Oat Protein Smoothie

Thirty-two grams of protein in five minutes, and nothing to wash up but the jug.
🥤 Banana + rolled oats + vanilla protein + unsweetened almond milk — 5 min
💪 32g protein · 4g fibre · 380 kcal
🌾 ~1.2g beta-glucan · 450mg potassium · 60mg magnesium
🏃 Built for the early session when solid food will not go down
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5 simple hydration habits — Easy ways to drink enough water.

• Glass on waking
• Keep it visible
• Drink with meals
• Flavour it
• Swap sugary drinks

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🧬 Visceral Fat, Not Aging, May Drive Low Testosterone

Declining testosterone is often blamed on getting older. This suggests belly fat may be the real culprit, meaning body composition could be a modifiable lever for hormone health.

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🛍️ At-Home DNA + Methylation Test
Lab & Testing

An at-home kit combining a genetic (DNA) panel with a methylation blood test (homocysteine, folate, B12) — the methylation markers tie into the epigenetic-clock research on biological aging. A cheek swab plus finger sample, lab-processed. An educational snapshot, not a diagnosis — review results with a clinician.

👉 See it on the AgeGen shop

Affiliate link — we may earn a commission. We only recommend products we’d use ourselves.
Educational, not a diagnosis — discuss results with a clinician.

🎯 What’s your Prime Age (2-min quiz)?

Generate your prime age! ~~ Mr. Age

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💊 Summer Sun Alone May Not Fix Your Vitamin D

A study suggests sunshine isn't enough for some people to reach healthy vitamin D levels. Relevant if you rely on sun exposure instead of testing or supplementing.

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🎬 ALT and AST — Liver Enzymes

A mildly raised liver enzyme is the most common early signal of fatty liver.
🎯 Optimal ALT 7–20 · AST 8–25 (the standard range runs far wider)
🔍 Mild 1–2x elevation → look at weight, alcohol and fatty liver
❗ 2–5x needs clinician follow-up · 5x or more is an urgent referral
🚶 Less alcohol, fewer refined carbs, daily zone-2 walking
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📹 Is There Really a Compound For Every Biohack? With Dr. Sandra Kaufmann

Dr. Sandra Kaufmann explores whether a compound exists for every biohack

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📅 Daily AgeGen — September 12, 2026

A 15-minute kettlebell session and a two-minute cold shower are enough to build strength and stress resilience if you progress them consistently.

🍽 Cod & Sweet Potato Fishcakes with Green Salad
Baked cod paired with sweet potato cakes and a green salad brings together lean protein and beta-carotene, a vitamin A precursor your body converts as needed. Vitamin A supports vision, immune function, and skin health, while the fish delivers high-quality protein for muscle upkeep. Ready in about 35 minutes — a straightforward plate that works as well for dinner as it does for lunch the next day.

🏋️ Goblet Squat + Farmer Carry — 15 min
Three rounds of 10 heavy goblet squats and a 40-metre farmer carry with the same kettlebell. This combo loads your legs, grip, and trunk simultaneously, training the kind of functional strength that carries over to carrying groceries, climbing stairs, and catching yourself if you stumble. Fifteen minutes, moderate effort — no gym required.

🧠 Self-Compassion Break — 3 min
When self-criticism spikes, pause and say three lines: this is a moment of difficulty; difficulty is part of being human; may I be kind to myself right now. It takes three minutes and is repeatable whenever the shame loop starts. This doesn't bypass the problem — it lowers the emotional heat so you can address it more clearly.

❄️ Cold Shower — 2 min Progressive
Skip the plunge and build tolerance in 30-second steps: Week 1, 30 seconds; Week 2, 60; Week 3, 90; Week 4, two full minutes. Do it daily right after your normal warm shower. It's the lowest-barrier entry into cold exposure, and the gradual ramp keeps it sustainable.

Small, repeatable doses — that's where the compounding happens.

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