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Most people think blood sugar only matters for diabetics. Wrong. Your glucose spikes after meals even when fasting numbers look perfect.

Those swings silently damage your blood vessels, crash your energy, and mess with your mood. This week we show you exactly what those spikes do and how to stop them.

Read below! 

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IN LESS THAN 10 MINUTES WE WILL COVER:

Weekly Insights:

  • How blood sugar spikes damage your heart, mood, and energy even when you are not diabetic

  • Article Explained Simple: Hormone therapy and biological ageing in women

  • Top 3 Overlooked signs your immune system is ageing faster

  • Healthy Spanish chicken and chickpea stew Recipe

How blood sugar spikes damage your heart, mood, and energy even when you are not diabetic

You think blood sugar is only a diabetes problem. Wrong.

Even if your fasting glucose looks perfect, the spikes happening after meals are silently damaging your blood vessels, brain, and mood. Most people have no idea this is happening.

Here's what those swings are actually doing to your body.

The Hidden Damage Nobody Talks About

Blood sugar variability destroys the endothelium. That's the thin lining inside your blood vessels.

When glucose spikes, it triggers oxidative stress. Free radicals flood your system. Inflammation ramps up. Your vessels stiffen and stop working properly.

This happens even if you're not diabetic.

The real danger isn't one spike. It's the repeated assault. Every time you spike, you chip away at your cardiovascular health. Studies link glucose variability to higher mortality risk in people with totally normal fasting blood sugar.

Think about that for a second.

You could pass a standard glucose test and still be damaging your heart every single day.

The Insulin Rollercoaster Nobody Warned You About

When your blood sugar spikes, insulin surges to bring it back down. But sometimes it overshoots.

You crash below baseline. This is called reactive hypoglycaemia.

Your body panics. It releases adrenaline and noradrenaline to raise glucose back up. This hormonal flood creates anxiety, irritability, mood swings, and even aggression.

Ever felt randomly anxious an hour after lunch? That's probably your blood sugar talking.

The mental effects are real. Depression, sadness, brain fog, poor concentration. All linked to glucose swings. Your brain runs on glucose. When levels crash, cognitive function crashes with it.

Chronic stress makes everything worse. Cortisol keeps glucose elevated and promotes insulin resistance over time. It's a vicious cycle.

The Physical Toll Beyond Your Vessels

Glucose spikes don't just hit your heart. They damage nearly everything.

Nerve damage. Kidney problems. Poor wound healing. Blood pressure issues. Blurred vision. Frequent urination. Thirst that won't quit.

Most symptoms are subtle. You might not notice until the damage accumulates.

Energy crashes are classic. That 3pm slump where you need coffee or sugar? That's a spike followed by a crash. Your body craves quick carbs to bring levels back up. You eat them. The cycle repeats.

Sleep suffers too. Glucose swings disrupt circadian rhythm. You wake up tired even after 8 hours. Hunger increases. Weight creeps up. Insulin resistance worsens.

It's all connected.

What Actually Causes These Swings

High carb meals are the obvious culprit. White bread, pasta, sugary drinks. They hit your bloodstream fast.

But stress triggers spikes too. Physical stress. Emotional stress. Both release hormones that raise glucose.

Poor sleep messes with insulin sensitivity. So does illness, infections, and injury. Certain medications spike glucose. Anxiety reduces insulin effectiveness.

Even lack of movement matters. Exercise helps muscles absorb glucose without needing as much insulin.

The triggers are everywhere. Most people spike multiple times daily without realising it.

What Science Found In The Last Year

June 2025 research showed something critical. Individual responses to the same foods vary wildly.

Your blood sugar response depends on your metabolic status. Insulin resistance makes everything worse. One person eats rice and barely spikes. Another person eats the same portion and shoots up to 180 mg/dL.

This is why personalised monitoring matters so much.

A 2025 scoping review confirmed what we suspected. Repeated glucose exposure drives significant cardiovascular and inflammatory damage in non-diabetics. The evidence is solid now.

Some grey literature claims glucose spikes cause cancer and hormonal dysfunction. Medical sources don't support this yet. Stick to what's proven.

How To Actually Fix This

You need visibility first. Get a continuous glucose monitor if possible. They track glucose in real time. You'll see exactly what spikes you.

Aim to stay below 140 mg/dL after meals. That's the threshold where damage starts.

Balance your meals. Pair carbs with protein and fat. This slows absorption. Choose low glycaemic foods. Oats instead of white bread. Sweet potato instead of white potato.

Move after eating. A 10 minute walk drops post meal glucose significantly. Your muscles suck up glucose without needing extra insulin.

Fix your sleep. Consistent sleep timing improves insulin sensitivity more than most interventions.

Manage stress. Meditation, breathwork, whatever works for you. Chronic cortisol elevation destroys metabolic health.

If symptoms persist, test your blood sugar. Talk to a doctor. Get a dietitian involved. Personalised plans work better than generic advice.

The Bottom Line

Blood sugar isn't just a diabetes issue. It's a human issue.

Every spike damages your vessels, mood, energy, and long term health. The effects compound over years. You won't feel it until the damage is done.

Monitor your glucose. Control the spikes. Protect your future self.

Most people walk around with no idea their blood sugar is sabotaging them. Now you know better.

Act on it.

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Article of the Week

Article Explained Simple: Hormone therapy and biological ageing in women

The researchers used blood biomarkers to calculate something called phenotypic age. This measures how old your body really is compared to your calendar age. They studied thousands of postmenopausal women and compared the biological aging gap between hormone users and non-users.

Women who ever used hormone therapy had 0.17 years less biological aging than women who never used it. That means their bodies were younger than expected. The effect was stronger in women who started hormone therapy later in life or used it for 4 to 8 years. The benefits were also bigger in women from lower socioeconomic groups.

These findings suggest hormone therapy may help slow biological aging. This could partly explain why women who use hormones tend to live longer. The results are especially promising for disadvantaged women who might benefit most from this treatment.

Hormone therapy appears to support healthier aging overall, not just treat menopause symptoms.

Fascinating Fact:

Your biological age can be very different from your actual age. Some 50-year-olds have bodies that function like 40-year-olds, while others may have bodies closer to 60. Lifestyle choices, stress, sleep, and medical treatments can all affect how fast your body ages at the cellular level.

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Top 3 Overlooked signs your immune system is ageing faster

Your immune system can age faster than you do. Chronic stress, poor sleep and lifestyle habits push it beyond your actual years. This leaves you more vulnerable to bugs, slower to heal and constantly tired. Here are three overlooked signs and what you can do about them.

  1. Frequent Infections or Colds

    1. You catch every bug going around. This happens because your T-cells divide slowly and struggle with new threats. After 35, your thymus gland shrinks and produces fewer fresh T-cells.

    2. Your gut and immune system talk to each other constantly. Eating fermented foods trains your immune cells through this gut-immune connection.

    3. Start with one to two servings daily of yoghurt, kefir, sauerkraut or kimchi. Begin small to avoid stomach upset. Mix up your choices to support diverse gut bacteria. This bolsters your adaptive immunity without supplements.

  2. Slower Wound Healing

    1. Cuts and scrapes take ages to close. Ageing immune cells fail at clearing debris and fighting local infections. This delays repair and raises your infection risk.

    2. Zinc and vitamin C speed up cell regeneration and collagen formation. Apply zinc oxide cream thinly to minor cuts twice daily after cleaning with soap and water.

    3. Eat 75 to 90 mg zinc plus 500 mg vitamin C from oysters, citrus and bell peppers, or take a combination supplement with meals. This can halve healing time for most minor wounds.

  3. Persistent Fatigue or Slow Exercise Recovery

    1. You feel exhausted all the time. Your muscles ache days after a simple workout. Chronic low-grade inflammation and high cortisol exhaust your immune cells.

    2. Sleep recharges your T-cells and lowers cortisol. Set a fixed bedtime like 10 PM. Dim lights one hour before. Avoid screens. Use a cool, dark room.

    3. Aiming for seven to nine hours consistently restores immune balance and cuts fatigue dramatically. Track with a journal or app. If stressed, add 10 minutes daily of 4-7-8 breathing. Inhale four seconds, hold seven, exhale eight. This simple protocol resets your system.

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Healthy Spanish chicken and chickpea stew Recipe (makes 4 servings)

This Spanish-inspired stew packs lean protein and fibre into one warming bowl. It supports steady energy and keeps you satisfied for hours.

Macros per Serving

  • Total Calories: 385 kcal

  • Protein: 32 g

  • Carbohydrates: 38 g

  • Sugars: 6 g

  • Fat: 12 g

The Ingredients

  • 17.5 oz /500 g chicken breast, cut into bite-sized pieces

  • 2 cans chickpeas (800 g total), drained and rinsed

  • 1 can diced tomatoes (400 g)

  • 1 large onion, diced

  • 1 red bell pepper, diced

  • 1 yellow bell pepper, diced

  • 3 cloves garlic, minced

  • 500 mL low sodium chicken broth (about 2 cups)

  • 2 tablespoons olive oil

  • 2 teaspoons smoked paprika

  • 1 teaspoon ground cumin

  • 1/2 teaspoon cayenne pepper

  • 1 bay leaf

  • Salt and black pepper to taste

  • Fresh parsley for garnish

The Instructions

  • Heat olive oil in a large pot over medium-high heat.

  • Season chicken pieces with salt and pepper, then add to the pot. Cook for 4 minutes until lightly browned on all sides.

  • Remove chicken from the pot and set aside on a plate.

  • Add diced onion and bell peppers to the same pot. Cook for 5 minutes until softened.

  • Stir in minced garlic, smoked paprika, cumin, and cayenne pepper. Cook for 1 minute until fragrant.

  • Pour in diced tomatoes and chicken broth. Stir to combine and scrape up any browned bits from the bottom.

  • Add chickpeas and bay leaf to the pot. Bring mixture to a boil.

  • Return chicken to the pot. Reduce heat to low and simmer for 20 minutes until chicken is cooked through and flavours meld.

  • Remove bay leaf and taste the stew. Adjust seasoning with additional salt and pepper if needed.

  • Ladle stew into bowls. Garnish with fresh parsley and serve hot.

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