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57 Articles
Executive Health
Inside a Different Health Executive Program
The full picture for benefits leaders and the executives who sponsor them: the diagnostic day, what every measurement is for, how results are reviewed, and what happens in the months before anyone is tested again.
15 min read
Preventive Health
Cortisol Test: What It Measures and How to Read Your Results
A cortisol test measures cortisol in your blood, saliva, or urine to check for too much or too little. See normal ranges and how to read your results.
9 min read
Nutrition
Creatine Benefits: More Than Muscle
Creatine benefits go beyond muscle to strength, healthy aging, and cognition. See what the research supports, the best time to take creatine, and creatine for women.
8 min read
Nutrition
Electrolytes: What They Do and When You Actually Need Them
Electrolytes are minerals like sodium, potassium, and magnesium that regulate fluid, nerves, and muscles. Learn what they do and when you actually need them.
7 min read
Cardiovascular Health
Heart Rate Zones Explained: How to Find and Train in Each One
Heart rate zones split exercise into five intensity levels. Learn how to calculate your zones, find your max heart rate, and train in each one.
10 min read
Metabolic Health
How Much Deep Sleep Do You Need? Sleep Stages Explained
How much deep sleep do you need? Adults spend roughly 10–25% of the night in deep sleep. Here's what the sleep stages are and how much you need.
7 min read
Nutrition
How Much Water Should You Drink a Day? What the Science Says
How much water should I drink a day? About 3.7 L for men and 2.7 L for women in total fluids, per the National Academies. See what changes your needs.
7 min read
Performance
How to Improve Balance: Why It Predicts Longevity and Fall Risk
How to improve balance: train it directly with single-leg work, strength, and reactive drills. Learn why balance predicts fall risk and longevity, and how to test it.
8 min read
Nutrition
How to Improve Gut Health: A Practical Guide
How to improve gut health: focus on fiber, fermented foods, a diverse diet, sleep, exercise, and less stress. See the foods for gut health and signs to watch.
8 min read
Metabolic Health
How to Increase Testosterone Naturally: What Actually Works
How to increase testosterone naturally: the evidence points to weight loss, sleep, and strength training. See what works, testosterone levels by age, and low-T signs.
8 min read
Cardiovascular Health
How to Lower Blood Pressure Naturally
How to lower blood pressure naturally: the evidence points to the DASH diet, less sodium, more potassium, exercise, weight loss, and less alcohol. Here's what works.
7 min read
Metabolic Health
How to Reverse Insulin Resistance: What the Evidence Shows
How to reverse insulin resistance: the evidence points to weight loss, activity, and diet. See what the DPP and NIDDK show about improving insulin sensitivity.
8 min read
Nutrition
Magnesium Benefits: What It Does and Signs You're Low
Magnesium benefits span muscle, nerve, blood sugar, and blood pressure function. Learn what magnesium does, foods high in magnesium, and the signs you're low.
8 min read
Performance
Mobility Exercises: A Guide to Moving Better and Staying Injury-Free
Mobility exercises build strength and control through your full range of motion. Learn how to improve mobility with a simple routine and where movement screening fits.
8 min read
Nutrition
Omega-3 Benefits: What the Science Actually Supports
Omega-3 benefits are clearest for heart health and triglycerides. See what the evidence supports, the best omega 3 foods, and the signs of omega 3 deficiency.
8 min read
Nutrition
Post-Workout Meal: What to Eat After a Workout, and When
A post-workout meal of about 20–40 g protein plus carbs supports recovery. Learn what to eat after a workout, how much, and when timing matters.
8 min read
Metabolic Health
Signs of High Cortisol: What to Watch For
The signs of high cortisol can include weight gain around the midsection, a rounded face, easy bruising, and fatigue. Learn the symptoms, causes, and when to test.
7 min read
Performance
Vertical Jump Test: What It Reveals About Power and How to Improve It
A vertical jump test measures lower-body explosive power. Learn what it reveals, average norms, and how to increase your vertical jump with targeted training.
8 min read
Body Composition
Visceral Fat Level Chart: Normal Ranges for Men and Women
What your visceral fat level means on each scale: the Tanita 1-59 rating, InBody's cm2 area, and waist size, plus normal ranges for men and women by age.
12 min read
Preventive Health
Vitamin D Deficiency: Signs, Causes, and How to Fix It
Vitamin D deficiency means a blood level below what's healthy for bones. Learn the signs, causes, and how it's corrected, with thresholds from the NIH and Mayo Clinic.
8 min read
Metabolic Health
Why Am I Always Tired? Causes Worth Checking
Why am I always tired? Persistent fatigue can come from sleep, iron, thyroid, vitamin D, blood sugar, or stress. Here are the causes worth checking and when to test.
8 min read
Cardiovascular Health
The ApoB Test: A Better Marker Than Cholesterol?
An apoB test counts the particles that drive artery plaque and can predict heart risk better than LDL cholesterol. ApoB levels, targets, and who needs it.
8 min read
Metabolic Health
Brain Fog Causes: 8 Reasons and What Helps
Brain fog isn't a diagnosis — it's a symptom. Here are 8 common brain fog causes, from sleep and stress to thyroid and blood sugar, and what helps.
8 min read
Body Composition
How to Build Muscle and Lose Fat at the Same Time
Yes, you can build muscle and lose fat at the same time. Here's who it works for, how much protein you need, and how to track body recomposition.
11 min read
Preventive Health
What Is an Executive Health Program? A Leader's Guide
An executive health program is an ongoing, measurement-led approach to a leader's health that goes beyond a one-time physical to track and act on real risk.
10 min read
Cardiovascular Health
Fat-Burning Heart Rate: Find Your Fat Max
Your fat-burning heart rate is the intensity where fat burn peaks — your Fat Max. Here's what it is, the zone myth, and how to find yours.
9 min read
Performance
Average Grip Strength by Age: Charts for Men and Women
Average grip strength by age: mean and percentile charts in pounds and kg for men and women aged 18-85, from US NIH Toolbox reference data.
11 min read
Nutrition
High-Protein Breakfast Ideas: 15 Options to Keep You Full
High-protein breakfast ideas that keep you full: 15 options with about 15 to 35 g of protein each, from Greek yogurt bowls to tofu scrambles and protein oats.
9 min read
Metabolic Health
How to Fix Your Circadian Rhythm: A Practical Reset Guide
To fix your circadian rhythm, use light: bright light early, dim light at night, and consistent sleep, meal, and exercise times. Here's how to reset.
10 min read
Cardiovascular Health
How to Increase HRV: 5 Proven Ways to Improve It
How to increase HRV: the evidence-based ways to raise heart rate variability — aerobic exercise, slow breathing, sleep, and less alcohol — plus how to track real gains.
8 min read
Metabolic Health
How to Lower Cortisol: What Actually Works
How to lower cortisol: the habits that actually work — sleep, exercise, and stress control — plus signs of high cortisol and when to see a doctor.
8 min read
Preventive Health
Inflammation Markers: What Your Blood Reveals
Inflammation markers like hs-CRP reveal hidden, low-grade inflammation linked to heart disease. What the numbers mean, and why one reading isn't enough.
8 min read
Metabolic Health
What Is Metabolic Age? How It's Measured
Metabolic age compares your resting metabolism to the average for your age. Here's what it means, how it's measured, and how to lower it.
8 min read
Performance
Muscle Imbalance: Why Side-to-Side Symmetry Matters
A muscle imbalance is a side-to-side strength gap. Why it matters for injury and performance, how a muscle imbalance test works, and how to fix it.
9 min read
Cardiovascular Health
Resting Heart Rate by Age: What's Normal?
A normal resting heart rate is 60–100 bpm for adults. See resting heart rate by age, what counts as good, and when a high or low rate needs a doctor.
8 min read
Body Composition
Skeletal Muscle vs Muscle Mass: Meaning and Percentages
Skeletal muscle mass vs muscle mass vs lean body mass: what each actually means, why they aren't interchangeable, and normal skeletal muscle percentages.
10 min read
Preventive Health
What Is a Biometric Screening? What to Expect
A biometric screening is a quick health check of blood pressure, cholesterol, blood sugar, and BMI to flag early risk. Here's what to expect and why it matters.
10 min read
Cardiovascular Health
What Is a Good HRV? Charts of Normal HRV by Age
What is a good HRV? See normal HRV by age charts (RMSSD) for men and women, what counts as a good score, and how to read your own against your baseline.
9 min read
Cardiovascular Health
Zone 2 Training Benefits: Build Your Aerobic Engine
Zone 2 training benefits: better fat oxidation, more mitochondria, and a bigger aerobic base, all built with easy, sustainable low-intensity cardio.
10 min read
Body Composition
Body Fat Percentage Chart by Age for Men and Women
Body fat percentage charts by age and sex: healthy ranges for men and women aged 20-79, plus averages and percentiles to see where your number ranks.
12 min read
Body Composition
DEXA vs InBody: Which Is More Accurate for Body Fat?
DEXA vs InBody: what validation studies show about each method's accuracy, why InBody reads about 3 points lower, and which to use for tracking change.
12 min read
Body Composition
DEXA Scan in NYC: Cost, Insurance, and Where to Go
What a DEXA scan costs in NYC, when Medicare and insurance cover one, how body composition and bone density scans differ, and how to choose a provider.
10 min read
Preventive Health
Executive Physical in NYC: What's Included and Who It's For
An executive physical in NYC is a comprehensive same-day health assessment for busy professionals. What's included, who it's for, and how to choose.
6 min read
Performance
Gait Analysis in NYC: What It Reveals About Movement and Injury Risk
Gait analysis in NYC studies how you walk and run to reveal movement patterns and injury risk. What it measures, the types, and how to use the results.
6 min read
Nutrition
How Much Protein Per Day to Build Muscle: What the Research Says
How much protein per day to build muscle? Research points to about 1.6-2.2 g per kg of body weight. What the science says and how to hit it.
6 min read
Metabolic Health
How to Improve Deep Sleep: Habits That Actually Move the Needle
How to improve deep sleep: keep a consistent schedule, exercise regularly, cool your room, and cut evening alcohol and late screens. The habits that actually work.
6 min read
Cardiovascular Health
How to Improve Your VO2 Max: A Training Guide That Actually Works
Combine easy Zone 2 cardio with short, hard intervals like the Norwegian 4x4. Here's the evidence-based plan that actually raises your VO2 max.
7 min read
Preventive Health
Longevity Clinics in NYC: What They Offer and How to Choose
A longevity clinic in NYC focuses on extending healthspan through advanced diagnostics and personalized plans. What they offer, and how to choose a good one.
6 min read
Metabolic Health
Metabolic Testing Near Me: What It Reveals About How You Burn Fuel
What metabolic testing reveals about how you burn fuel, the main types (RMR, fat oxidation, metabolic bloodwork), and how to find a test near you.
6 min read
Metabolic Health
Resting Metabolic Rate: What It Is and Why It Drives Your Calorie Needs
Your resting metabolic rate (RMR) is the calories your body burns at rest, 60-75% of daily energy use. Here's what it is, what affects it, and how to measure it.
7 min read
Cardiovascular Health
VO2 Max by Age: Charts and What's a Good Score for You
VO2 max by age: average and good scores for men and women by decade, why it declines with age, and how to compare your number.
6 min read
Cardiovascular Health
VO2 Max Meaning: What the Number Actually Tells You About Your Fitness
The VO2 max meaning goes beyond a fitness score: it reflects heart, lung, and muscle health, and predicts longevity. Here's how to interpret your number.
6 min read
Cardiovascular Health
VO2 Max Test Near Me: How to Find a Lab-Grade Test in NYC
How to find a true lab-grade VO2 max test near you in NYC: the provider types, what to ask, and how to avoid a low-quality test.
6 min read
Cardiovascular Health
VO2 Max Test: What It Measures, What It Costs, and How to Prepare
A VO2 max test measures your maximum oxygen uptake, the gold-standard read on cardio fitness. Here's what it costs, how to prepare, and what to expect.
7 min read
Metabolic Health
What Is Metabolic Health? The 5 Markers That Matter Most
Metabolic health is how well your body manages blood sugar, blood pressure, cholesterol, and fat. Here are the 5 markers that define it.
7 min read
Cardiovascular Health
What Is VO2 Max? The One Number That Predicts How Long You'll Live
VO2 max is the maximum oxygen your body can use during exercise — and one of the strongest predictors of longevity. Here's what it means, what's a good score by age, and how to improve it.
11 min read
Nutrition
What to Eat Before a Workout: A Simple Guide by Goal and Timing
What to eat before a workout depends on timing and goal. Carbs fuel performance, protein protects muscle. What to eat and when, from 3 hours to 30 minutes.
6 min read