Men's Health Glossary

Plain-English definitions for the hormones, lab markers, medications, and training terms that come up again and again across men's health content — so you can follow a video summary without Googling every other word.

Androgenetic Alopecia

The clinical term for male (and female) pattern hair loss.

Body Recomposition

Simultaneously losing fat and gaining muscle.

BPH (Benign Prostatic Hyperplasia)

Non-cancerous enlargement of the prostate, common with age.

Calorie Deficit

Consuming fewer calories than the body expends, required for fat loss.

Circadian Rhythm

The body's internal ~24-hour clock that regulates sleep, hormones, and metabolism.

Cortisol

The body's primary stress hormone.

Creatine Monohydrate

A well-studied supplement that increases short-term energy availability in muscle.

DHT (Dihydrotestosterone)

A potent androgen derived from testosterone, linked to hair follicle miniaturization.

Erectile Dysfunction (ED)

The persistent inability to achieve or maintain an erection sufficient for sexual activity.

Evidence-Based

A claim or practice supported by rigorous scientific research, not just tradition or anecdote.

Finasteride

A prescription medication that reduces DHT to slow male pattern hair loss.

HbA1c

A blood test reflecting average blood sugar levels over roughly three months.

hsCRP (High-Sensitivity C-Reactive Protein)

A blood marker of low-grade inflammation, linked to cardiovascular risk.

Hypertrophy

The growth and increase in size of muscle cells.

Hypogonadism

A clinical condition where the body produces abnormally low testosterone.

Intermittent Fasting

An eating pattern that cycles between periods of eating and fasting.

Melatonin

A hormone that signals to the body that it's time to sleep.

Minoxidil

A topical treatment that stimulates hair regrowth by improving follicle blood flow.

Muscle Protein Synthesis

The biological process of building new muscle protein, driven by protein intake and training.

PDE5 Inhibitor

A class of prescription medication used to treat erectile dysfunction.

Progressive Overload

Gradually increasing training demands over time to keep driving adaptation.

PSA (Prostate-Specific Antigen)

A blood marker used to screen for prostate conditions, including cancer.

Resistance Training

Exercise that works muscles against an external force, such as weights.

Semen Analysis

A lab test measuring sperm count, motility, and morphology.

Testosterone

The primary male sex hormone, produced mainly in the testes.

TRT (Testosterone Replacement Therapy)

A prescription medical treatment for clinically diagnosed low testosterone.

VO2 Max

A measure of the maximum rate of oxygen your body can use during exercise.

Zone 2 Training

Low-intensity aerobic exercise performed at a conversational pace.

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