Men's Health

Skin Health: Your Body's Protective Barrier

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Men's health extends far beyond the occasional physical or sports injury. It encompasses a complex interplay of hormones, metabolic function, reproductive health, and disease prevention that changes dramatically across the lifespan. From the testosterone surges of adolescence to the hormonal shifts of middle age and beyond, understanding these changes empowers men to maintain vitality, prevent disease, and optimize quality of life.

What makes men's health unique isn't just anatomy. Men face distinct health challenges: higher rates of cardiovascular disease at younger ages, specific cancers like prostate cancer, and hormonal changes that can affect everything from muscle mass to mood to cognitive function. Yet men are statistically less likely than women to seek preventive care or discuss health concerns with providers. This creates a gap between the health challenges men face and the proactive management that could address them [Centers for Disease Control and Prevention].

The Science Made Simple

Men's health is profoundly influenced by hormones, particularly androgens like testosterone. Understanding these hormones and how they function helps make sense of the tests in this category.

Testosterone is the primary male sex hormone, though women produce small amounts too. It's responsible for male sexual development during puberty, but its roles extend far beyond reproduction.

Testosterone influences:

Muscle mass and strength
Bone density
Fat distribution
Red blood cell production
Mood and energy
Cognitive function
Sexual function and libido

Testosterone production peaks in late adolescence and early adulthood, then gradually declines about 1% per year starting around age 30. This natural decline is different from hypogonadism (abnormally low testosterone), which can occur at any age due to testicular problems, pituitary dysfunction, medications, obesity, chronic illness, or other factors.

Testosterone exists in three forms in blood:

Total testosterone measures all testosterone (both bound and free)
Free testosterone measures the unbound, biologically active form (about 2-3% of total)
Bioavailable testosterone includes free testosterone plus loosely bound testosterone

SHBG (Sex Hormone Binding Globulin) is a protein that binds and transports sex hormones. Higher SHBG means less free testosterone available for use. SHBG increases with age and certain conditions, which is partly why older men often have lower effective testosterone even if total testosterone looks reasonable.

DHEA (Dehydroepiandrosterone) and DHEA-S are precursor hormones produced mainly by the adrenal glands. Your body can convert them into testosterone and estrogen. DHEA levels also decline with age. Some people supplement DHEA, though evidence for benefits is mixed.

Androstanedione (androstanolone/DHT) is a metabolite of testosterone that's even more potent. It's responsible for some of testosterone's effects, particularly on the prostate and hair follicles.

FSH (Follicle-Stimulating Hormone) and LH (Luteinizing Hormone) come from the pituitary gland and control testosterone production. High FSH and LH with low testosterone indicates primary testicular failure (testicles aren't responding to the signal). Low or normal FSH and LH with low testosterone suggests secondary hypogonadism (pituitary or hypothalamus problem).

Cortisol is the primary stress hormone. The testosterone/cortisol ratio reflects the balance between anabolic (building) processes and catabolic (breaking down) processes. High cortisol relative to testosterone can indicate chronic stress and may affect muscle mass, recovery, and overall health.

Prolactin is a pituitary hormone that can suppress testosterone production when elevated. High prolactin can indicate pituitary tumors or result from certain medications.

Thyroid hormones (T4, free T4) affect metabolism and energy. Thyroid dysfunction can impact testosterone levels and overall vitality.

PSA (Prostate-Specific Antigen) is produced by the prostate gland. We covered this in detail in the Cancer category, but it's relevant to men's health more broadly as a screening and monitoring tool for prostate health.

AMH (Anti-Müllerian Hormone) in men indicates testicular function and can help assess fertility potential [Endocrine Society].

Why This Category Matters for Healthspan

Man with a towel around his neck looking tired at the gym.

Men's health testing is crucial for healthspan because hormonal and metabolic changes profoundly affect quality of life, physical function, cognitive health, and disease risk throughout the aging process.

Testosterone and aging: The gradual decline in testosterone with age (sometimes called "andropause," though it's not as abrupt as female menopause) can contribute to:

Decreased muscle mass and strength
Increased body fat, especially abdominal fat
Reduced bone density (osteoporosis risk)
Lower energy and motivation
Mood changes (irritability, depression)
Cognitive changes (memory, focus)
Reduced sexual function
Sleep disturbances

Not all men experience significant symptoms from declining testosterone, but those who do often see substantial quality of life improvements with appropriate management. The key is distinguishing normal aging from pathologically low testosterone that warrants treatment [Journal of Clinical Endocrinology & Metabolism].

Man wearing a black tank top outdoors with trees in the background

Men develop cardiovascular disease about 10 years earlier than women on average. Testosterone levels correlate with cardiovascular risk in complex ways. Very low testosterone is associated with increased risk, as is abnormally high testosterone. Optimal levels appear protective. Managing testosterone appropriately, along with other cardiovascular risk factors, supports long-term heart health.

Low testosterone is associated with insulin resistance, metabolic syndrome, and type 2 diabetes. The relationship is bidirectional: low testosterone can contribute to metabolic problems, and metabolic problems can lower testosterone. Addressing both simultaneously optimizes outcomes.

Men lose bone density with age, particularly as testosterone declines. Osteoporosis and fractures in older men carry significant mortality and morbidity risk. Maintaining adequate testosterone supports bone health.

Testosterone influences mood, motivation, and cognitive function. Low testosterone is associated with depression in some men. Optimizing testosterone levels, when appropriate, can improve mood and cognitive function.

While testosterone doesn't cause prostate cancer, prostate health monitoring becomes increasingly important with age. PSA testing allows early detection when treatment is most effective, though screening recommendations balance benefits against risks of overdiagnosis [American Urological Association].

For men concerned about fertility, hormone testing (testosterone, FSH, LH, AMH) provides insight into reproductive potential and can guide fertility treatment if needed.

How These Tests Work Together

Men's health markers work together to provide a comprehensive picture of hormonal status, metabolic health, and specific health risks.

2 doctors looking at a graphic of a brain.

Evaluating testosterone status requires multiple markers:

Low total testosterone with normal/high SHBG might mean adequate free testosterone (the active form). Calculate free testosterone or measure it directly for accurate assessment.

Low total and free testosterone with high FSH and LH indicates primary hypogonadism (testicular failure). The pituitary is signaling correctly, but testicles aren't responding.

Low total and free testosterone with low or normal FSH and LH suggests secondary hypogonadism (pituitary or hypothalamic problem). The signal from the brain to the testicles is inadequate.

Thyroid function affects testosterone metabolism. Hypothyroidism can lower testosterone. Evaluating thyroid hormones (TSH, free T4, TPO antibodies) alongside testosterone provides complete context.

DHEA-S levels declining with age is normal, but very low levels might indicate adrenal insufficiency. High levels can indicate adrenal tumors or PCOS (in women).

Pregnenolone is the precursor to all steroid hormones. Some practitioners measure it as part of comprehensive hormone assessment, though its clinical utility is debated.

Prolactin elevation suppresses testosterone production. Finding and treating the cause (often pituitary microadenoma or certain medications) can restore testosterone levels.

Estradiol in men comes partly from direct production and partly from testosterone conversion (aromatization). Very low estradiol (sometimes from excessive aromatase inhibitor use) causes problems: joint pain, bone loss, lipid changes. Mildly elevated estradiol is common with obesity (fat tissue converts testosterone to estradiol) and may not require treatment unless symptomatic.

PSA patterns matter:

Stable PSA over time is reassuring
Rising PSA warrants evaluation
Very high PSA (>10-20 ng/mL) is concerning for prostate cancer
PSA velocity (rate of rise) and PSA density (PSA relative to prostate size) provide additional context

Looking at patterns together:

Example 1: Age-related testosterone decline

Total testosterone 350 ng/dL (low-normal)
Free testosterone low
Normal FSH and LH
Normal prolactin and thyroid
Symptoms: fatigue, reduced libido, difficulty maintaining muscle
→ Pattern consistent with age-related decline; might benefit from testosterone therapy after discussing risks/benefits

Example 2: Metabolic dysfunction affecting hormones

Low testosterone
Elevated cortisol (morning)
Abnormal glucose/insulin
Elevated estradiol
Overweight/obese
→ Metabolic syndrome affecting hormones; lifestyle intervention is first-line treatment

Example 3: Primary hypogonadism

Very low testosterone
Very high FSH and LH
Low AMH
→ Testicular failure; requires testosterone replacement

Example 4: Pituitary problem

Low testosterone
Low FSH and LH
Elevated prolactin
→ Possible pituitary tumor; needs imaging and endocrine evaluation

What You Can Learn

Comprehensive men's health testing provides multiple valuable insights:

Sage Healthspan Male Hormone Optimization Kit - at-home testosterone test with zinc, creatine, and magnesium supplements

Man showing off the Tasso blood collection device on his arm with 2 Smarthphones showing the Sage Health App results screen on the right.

Understanding your testosterone levels (total, free, bioavailable) and whether they're optimal for you personally. Some men function well with levels others would find inadequate. Symptoms matter as much as numbers.

Determining why testosterone might be low (primary testicular problem, pituitary dysfunction, metabolic issues, medications, obesity) guides targeted treatment rather than just reflexively supplementing testosterone.

Seeing the relationship between hormones and metabolic markers (glucose, insulin, body composition) helps address root causes. Weight loss and metabolic improvement often raise testosterone naturally.

PSA trends over time allow early detection of prostate problems. Stable PSA is reassuring; changes warrant evaluation.

For men concerned about fertility, hormone levels (particularly FSH, LH, testosterone, AMH) provide insight into reproductive potential.

If undergoing testosterone therapy or treating other hormone imbalances, serial testing shows whether treatment is effective and whether any adjustments are needed.

Even if levels are "normal," you might discover opportunities for optimization through lifestyle changes, stress management, sleep improvement, or other interventions.

Hormonal patterns can reveal increased risk for cardiovascular disease, diabetes, osteoporosis, or other conditions, allowing preventive interventions.

Taking Action

Understanding your men's health markers empowers you to optimize hormones, prevent disease, and maintain vitality throughout life.

If you have low testosterone:

First, identify potential reversible causes:

Obesity: Weight loss often increases testosterone significantly
Poor sleep: Sleep deprivation lowers testosterone
Chronic stress: Stress management can improve hormonal balance
Medications: Some medications lower testosterone (opioids, steroids, certain others)
Excessive alcohol: Reduces testosterone production
Lack of exercise or overtraining: Both extremes can lower testosterone
Metabolic issues: Address insulin resistance, diabetes

If reversible factors are addressed and testosterone remains low with symptoms, testosterone replacement therapy (TRT) might be appropriate. This requires careful discussion with your healthcare provider about:

Benefits: Improved energy, mood, libido, muscle mass, bone density
Risks: Prostate concerns, cardiovascular effects, fertility suppression, blood clotting
Monitoring requirements: Regular blood tests, PSA monitoring
Different forms available (injections, gels, patches, pellets)

For prostate health:

Discuss PSA screening with your provider (recommendations vary based on age and risk factors)
If PSA is elevated or rising, follow up appropriately (repeat testing, imaging, possible biopsy)
Maintain healthy weight and exercise regularly
Consider dietary factors (high vegetable intake may be protective)

For overall hormonal health:

Sleep: Prioritize 7-9 hours nightly. Most testosterone production occurs during sleep.
Strength training: Resistance exercise supports testosterone production and muscle maintenance
Stress management: Chronic stress elevates cortisol and lowers testosterone
Healthy weight: Obesity lowers testosterone through multiple mechanisms
Nutrition: Adequate protein, healthy fats, zinc, vitamin D, and overall nutrient sufficiency
Limit alcohol: Excessive drinking lowers testosterone
Avoid endocrine disruptors: Some plastics, pesticides, and chemicals can affect hormones

For metabolic health:

Men have higher rates of metabolic syndrome than women until after menopause. Address risk factors:

Regular cardiovascular exercise
Strength training
Mediterranean or similar healthy dietary pattern
Weight management
Blood pressure control
Lipid management
Blood sugar control

Cardiovascular prevention:

Men should be particularly vigilant about cardiovascular health:

Know your numbers (blood pressure, lipids, glucose, inflammatory markers)
Don't ignore symptoms (chest pain, unusual fatigue, shortness of breath)
Address risk factors aggressively
Consider aspirin (discuss with provider)
Family history matters (earlier screening if strong family history)

Mental health:

Men are less likely to seek help for mental health concerns, but depression, anxiety, and stress significantly impact quality of life and physical health. Low testosterone can contribute to mood problems, but it's not the only factor. Don't hesitate to discuss mental health with your healthcare provider.

Man sitting on a couch using the Tasso blood collection device to take a sample for at-home testing.

Men's health is about more than just treating problems. It's about optimizing hormonal function, preventing disease, and maintaining the energy, strength, and cognitive sharpness that support an active, engaged, fulfilling life across all decades.

View Your Men's Health Results →

Common Questions

Normal ranges are population averages, not personalized targets. Some men function well at the lower end; others need higher levels to feel their best. If you have symptoms (fatigue, low libido, difficulty building muscle, mood changes) despite "normal" testosterone, discuss this with your provider. Look at free testosterone (not just total), consider other factors affecting how you feel (thyroid, sleep, stress, depression), and discuss whether a trial of treatment might be appropriate. Symptoms matter as much as numbers.

Testosterone therapy's cardiovascular effects are complex and controversial. Current evidence suggests that properly managed testosterone therapy in men with confirmed hypogonadism is generally safe and may even be protective. However, it's not appropriate for everyone, and monitoring is essential. Risks appear higher when testosterone is raised to supraphysiologic levels (bodybuilding doses) or when underlying cardiovascular disease isn't properly managed. Work with a knowledgeable provider who will monitor appropriately and help you make an informed decision based on your specific situation.

This is a personal decision that depends on age, risk factors, and values. General guidelines suggest discussing PSA screening starting at age 55 for average-risk men (earlier if African American or strong family history). PSA screening can detect prostate cancer early when it's most treatable, but it also leads to overdiagnosis of cancers that might never cause problems. Discuss the pros and cons with your provider. If you choose screening, understand that abnormal results don't mean cancer, just that further evaluation is needed.

*This information is for educational purposes and is not a substitute for professional medical advice. Always consult with your healthcare provider about your specific health needs and test results.