Health Checkup Results Explained: A 59-Year-Old Man's Guide to Every Number
For fifteen years, I received an envelope from the company health screening center every year. Every year, I opened the envelope, glanced at the summary page, and as long as there wasn't a big red stamp on it, I shoved it in a drawer and forgot about it.
Fifteen envelopes. Fifteen years of data. All sitting in a drawer, unread.
I could read a corporate financial statement in three minutes. I could analyze quarterly sales trends, spot bad investments from across a conference table, and calculate margins in my head. But a health checkup report? The document that literally decides whether I live or die? I couldn't read a single line.
At 55, my doctor sat me down and walked me through every number. It took twenty minutes. When he finished, I wasn't scared. I was angry. Not at the numbers — at myself. Because every warning sign had been hiding in those envelopes, in those drawers, for years.
My blood pressure had been creeping up since 47. My fasting blood sugar crossed into pre-diabetic territory at 51. My liver enzymes had been elevated since 48. My triglycerides were high since my mid-forties. For nearly a decade, every alarm had been ringing. I just never learned how to hear them.
This post is the guide I wish someone had given me at forty. Every number on your health checkup report, explained in plain language, with what I did when mine were bad.
Blood Pressure: The Silent Scoreboard
Your blood pressure reading has two numbers: systolic (top) and diastolic (bottom). Systolic measures the pressure when your heart pumps. Diastolic measures the pressure when your heart rests between beats.
| Category | Systolic | Diastolic |
|---|---|---|
| Normal | Below 120 | Below 80 |
| Elevated | 120–129 | Below 80 |
| Stage 1 Hypertension | 130–139 | 80–89 |
| Stage 2 Hypertension | 140 or higher | 90 or higher |
My number at 55: 145/95 mmHg — Stage 2 Hypertension.
I felt completely fine. No headaches. No dizziness. Nothing. That's why they call it the silent killer — by the time you feel something, the damage to your blood vessels, heart, and kidneys may already be significant.
What I did: I started walking 10,000 steps a day, cut sodium intake, fixed my sleep schedule, and reduced alcohol from 15–20 drinks per week to 2–3. Over six months, my blood pressure dropped to 125/80 mmHg — normal range.
The full story of how I brought my blood pressure down is here — it was one of the hardest and most rewarding things I've done after 50.
Fasting Blood Sugar & HbA1c: Your Body's Fuel Gauge
Fasting blood sugar measures how much glucose is in your blood after not eating for 8–12 hours. HbA1c (glycated hemoglobin) shows your average blood sugar over the past 2–3 months — think of it as your blood sugar's "GPA" rather than a single test score.
| Marker | Normal | Pre-Diabetic | Diabetic |
|---|---|---|---|
| Fasting Blood Sugar | Below 100 mg/dL | 100–125 mg/dL | 126 or higher |
| HbA1c | Below 5.7% | 5.7–6.4% | 6.5% or higher |
My numbers at 55: Fasting glucose 118 mg/dL, HbA1c 6.1% — both firmly in the pre-diabetic zone.
Pre-diabetes is not a "warning." It is a disease in progress. Your body is already struggling to process sugar properly. Without intervention, roughly 70% of people with pre-diabetes eventually develop full type 2 diabetes, according to the CDC.
What I did: Walking was the single biggest factor. A post-meal 15-minute walk can reduce blood sugar spikes by up to 30%. Combined with switching from white rice to mixed-grain rice (잡곡밥, japgokbap), reducing late-night eating, and taking magnesium glycinate (which research links to improved insulin sensitivity), my numbers came down.
My numbers at 59: Fasting glucose 96 mg/dL, HbA1c 5.5% — back in the normal range. I wrote about the 90-day walking experiment that started this change — the numbers don't lie.
Cholesterol: The Good, the Bad, and the Ratio
Your cholesterol panel typically includes four numbers:
| Marker | Ideal for Men 50+ | Risk Zone |
|---|---|---|
| Total Cholesterol | Below 200 mg/dL | Above 240 |
| LDL ("Bad") | Below 130 mg/dL | Above 160 |
| HDL ("Good") | Above 40 mg/dL (ideally 60+) | Below 40 |
| Triglycerides | Below 150 mg/dL | Above 200 |
There's also a hidden number most checkups don't highlight: the Total Cholesterol/HDL Ratio. Divide your total cholesterol by your HDL. Below 4.0 is good. Above 5.0 means elevated cardiovascular risk.
My numbers at 55: Total 235, LDL 148, HDL 42, Triglycerides 210. My ratio was 235 ÷ 42 = 5.6 — deep in the danger zone.
Let me translate what those numbers meant in real terms. My LDL was high enough that cholesterol was actively building up in my artery walls. My HDL was too low to clean it out. My triglycerides were high enough to thicken my blood and make clots more likely. And my ratio told any doctor at a glance: this man is heading toward a heart attack or stroke.
What I did: Omega-3 fish oil (2,000 mg EPA+DHA daily) was the biggest single mover for triglycerides. Walking and reducing alcohol helped raise HDL. Cutting late-night fried food and ramyeon lowered LDL.
My numbers at 59: Total 198, LDL 112, HDL 55, Triglycerides 148. Ratio: 198 ÷ 55 = 3.6 — healthy range. I wasted money on dozens of supplements before finding the only three that actually work — omega-3 was one of them.
Liver Enzymes: ALT, AST, GGT — Your Liver's SOS Signal
Your liver doesn't have pain receptors. It can't scream for help. Instead, it sends chemical messages through your blood — and those messages are your liver enzyme numbers.
| Enzyme | Normal Range | What It Means When High |
|---|---|---|
| ALT (GPT) | Below 40 IU/L | Liver cell damage (most liver-specific) |
| AST (GOT) | Below 40 IU/L | Liver or muscle damage |
| GGT | Below 60 IU/L | Alcohol-related liver stress, bile duct issues |
My numbers at 55: ALT 68, AST 55, GGT 85 — all elevated. My doctor's exact words: "Your liver is working overtime and starting to complain."
The pattern told a clear story. ALT significantly above AST usually points to fatty liver disease. Elevated GGT on top of that, in a man who drinks regularly, screams alcohol-related damage. My liver had been processing roughly 5,760 heavy drinking sessions over my corporate career. It was still functioning — the liver is remarkably resilient — but it was sending every distress signal it had.
What I did: Dramatically reduced alcohol. Added milk thistle (silymarin), NAC, and B-complex. Increased cruciferous vegetables. Got retested every three months.
My numbers at 59: ALT 34, AST 28, GGT 42 — all within normal range. The liver can recover if you give it a chance. I wrote about what thirty years of Korean business dinners did to my liver — it's one of the most honest pieces I've written.
PSA: The One Number Most Men Have Never Heard Of
PSA stands for Prostate-Specific Antigen. It's a protein produced by the prostate gland, and elevated levels can indicate enlargement, inflammation, or — in some cases — cancer.
| PSA Level | General Interpretation |
|---|---|
| Below 4.0 ng/mL | Generally normal (but context matters) |
| 4.0–10.0 ng/mL | Gray zone — further testing recommended |
| Above 10.0 ng/mL | Higher probability of prostate cancer — biopsy often recommended |
My number at 57: PSA 2.8 ng/mL — within normal range, but my urologist told me something important: "The single number matters less than the trend. I want to see this number every year. If it jumps from 2.8 to 5.5 in one year, that's more concerning than a steady 4.0."
Most Korean men I know have never heard of PSA. They know their blood pressure. They might know their blood sugar. But PSA? The number that could catch prostate cancer early enough to cure it? Invisible. Prostate cancer affects 1 in 8 men globally (WHO, 2023), and the five-year survival rate when caught early is over 95%. When caught late, that number drops dramatically.
What I do: Annual PSA test, annual urologist visit. I also wrote about the embarrassing prostate symptoms that most men over 50 experience but nobody talks about.
Waist Circumference & BMI: The Number Your Mirror Lies About
BMI (Body Mass Index) gets all the attention, but for men over 50, waist circumference is the more dangerous number. Here's why: BMI doesn't distinguish between muscle and fat, and it doesn't tell you where your fat is stored. A man with a "normal" BMI of 24 can still have dangerous levels of visceral fat wrapping his organs.
| Measurement | Normal | Risk Zone (Asian Men) |
|---|---|---|
| Waist Circumference | Below 90 cm (35.4 in) | Above 90 cm |
| BMI | 18.5–24.9 | Above 25 (overweight), above 30 (obese) |
My numbers at 55: Waist 98 cm (38.6 in), BMI 27.8. My waist was 8 cm above the Asian male danger threshold. A 2019 BMJ study found that each 10 cm increase in waist circumference is associated with an 11% increase in all-cause mortality. I was carrying roughly 20% additional mortality risk just from my belly.
What I did: Walking, strength training, mixed-grain rice, reduced alcohol, no eating after 8 PM, and consistent sleep. The visceral fat article I wrote covers the full protocol — belly fat in men over 50 is a different beast than regular weight gain.
My numbers at 59: Waist 88 cm (34.6 in), Weight 82 kg (down from 92 kg), BMI approximately 26. Still working on getting below 25, but the visceral fat reduction has been the most impactful health change I've made.
My Numbers: Before and After
Here's the full picture — every key health marker, age 55 versus age 59:
| Health Marker | Age 55 | Age 59 | Target Range |
|---|---|---|---|
| Blood Pressure | 145/95 mmHg | 125/80 mmHg | Below 130/85 |
| Fasting Blood Sugar | 118 mg/dL | 96 mg/dL | Below 100 |
| HbA1c | 6.1% | 5.5% | Below 5.7% |
| Total Cholesterol | 235 mg/dL | 198 mg/dL | Below 200 |
| LDL Cholesterol | 148 mg/dL | 112 mg/dL | Below 130 |
| HDL Cholesterol | 42 mg/dL | 55 mg/dL | Above 40 (ideally 60) |
| Triglycerides | 210 mg/dL | 148 mg/dL | Below 150 |
| ALT | 68 IU/L | 34 IU/L | Below 40 |
| AST | 55 IU/L | 28 IU/L | Below 40 |
| GGT | 85 IU/L | 42 IU/L | Below 60 |
| PSA | — | 2.8 ng/mL | Below 4.0 |
| Waist | 98 cm | 88 cm | Below 90 cm (Asian men) |
| Weight | 92 kg | 82 kg | — |
Not a single number required medication. Every improvement came from walking, eating better, sleeping properly, drinking less, and three evidence-based supplements: omega-3, magnesium glycinate, and vitamin D3. No shortcuts. No miracles. Just consistent, boring, daily effort over four years.
One Page That Tells Your Whole Story
Your health checkup report is a one-page biography of your body. Every number on it tells a story about the choices you've made — the dinners, the drinks, the late nights, the skipped walks, the stress you carried in your shoulders for decades.
The good news? Unlike your actual biography, you can rewrite this one. Every number that's in the red zone today can move toward the green zone tomorrow — if you read the page, understand what it's saying, and decide to respond.
I ignored that page for fifteen years. I let warning signs pile up in a drawer while I chased quarterly earnings and drank away the stress of hitting targets. When I finally sat down and read it — really read it — I was angry at the numbers. Then I was angry at myself. Then I started walking.
Don't wait until you're 55 and furious. Open the envelope. Read the numbers. If you don't understand them, come back to this page. And if your numbers look anything like mine did at 55, know this: every single one of them can change. I'm living proof.
Your body has been sending you a report card every year. It's time to stop throwing it in the drawer.
Gammab-seumnida.
Choco Papa, still reading his numbers every morning.
See you in the next inning.
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