When conversations turn to hormonal changes in midlife, menopause often takes centre stage. Yet many men experience their own age-related hormonal changes, commonly referred to as andropause or late-onset hypogonadism. While not as sudden or universal as menopause, declining testosterone levels can affect physical health, emotional well-being, sexual function, and overall quality of life.
Unlike menopause, where hormone production declines rapidly over a relatively short period, testosterone levels in men typically decrease gradually, about 1% per year after the age of 30 to 40. Many men remain symptom-free, while others notice changes that affect their daily lives.
The challenge is that these symptoms are often dismissed as just getting older, causing many men to suffer in silence. Understanding what is normal, recognising when symptoms warrant medical attention, and knowing what can be done are important steps towards maintaining health and vitality in midlife.
What Exactly Is Andropause?
The term andropause is widely used but can be misleading. Medical professionals more commonly refer to the condition as late-onset hypogonadism, which describes a decline in testosterone accompanied by characteristic symptoms.
Testosterone is produced primarily in the testes and plays an important role in:
- Maintaining muscle mass and strength
- Supporting bone health
- Regulating fat distribution
- Maintaining libido and sexual function
- Producing red blood cells
- Supporting mood, motivation and energy
- Preserving cognitive function
Although testosterone naturally declines with age, not every man develops clinically significant testosterone deficiency.
Is It a Normal Part of Ageing?
Yes, and no.
Some decline in testosterone is a natural consequence of ageing. However, significant symptoms combined with consistently low testosterone levels are not simply something men must accept.
Lifestyle factors such as obesity, chronic stress, poor sleep, excessive alcohol intake, smoking, diabetes, metabolic syndrome, and certain medications can accelerate testosterone decline.
In many cases, improving overall health may restore testosterone levels without medication.
Common Signs and Symptoms
Symptoms often develop slowly over several years.
Physical symptoms
- Persistent fatigue
- Reduced stamina
- Loss of muscle mass
- Increased abdominal fat
- Hot flushes (less common)
- Reduced physical performance
- Reduced body hair
- Osteoporosis or reduced bone density
Sexual symptoms
- Reduced libido
- Erectile dysfunction
- Fewer morning erections
- Reduced sexual satisfaction
- Fertility issues
Emotional and cognitive symptoms
Many men are surprised that hormonal changes can affect mental health.
These may include:
- Low mood
- Irritability
- Reduced motivation
- Difficulty concentrating
- Poor memory
- Brain fog
- Loss of confidence
- Reduced resilience to stress
Because these symptoms overlap with depression, burnout, thyroid disease, sleep disorders and other medical conditions, professional evaluation is essential.
What Causes Testosterone to Decline?
Age is only one factor.
Other contributors include:
- Obesity
- Type 2 diabetes
- High blood pressure
- Chronic kidney disease
- Chronic liver disease
- Obstructive sleep apnoea
- Chronic stress
- Poor sleep quality
- Excessive alcohol intake
- Smoking
- Certain medications such as long-term opioids and corticosteroids
Addressing these conditions often improves hormonal health.
How Is Andropause Diagnosed?
Diagnosis requires both:
- Symptoms consistent with testosterone deficiency
- Repeated blood tests showing low morning testosterone levels
Doctors may also assess:
- Luteinising hormone (LH)
- Follicle-stimulating hormone (FSH)
- Prolactin
- Thyroid function
- Blood glucose
- Lipid profile
- Full blood count
- Prostate health where appropriate
A thorough evaluation helps identify whether symptoms are caused by testosterone deficiency or another medical condition.
Can Lifestyle Changes Help?
Absolutely.
For many men, healthy lifestyle changes significantly improve symptoms.
Maintain a healthy weight
Excess abdominal fat contributes to lower testosterone production.
Losing even 5-10% of body weight may improve hormone levels.
Exercise regularly
Resistance training has one of the strongest positive effects on testosterone and healthy ageing.
Aim for:
- Strength training two to three times weekly
- Moderate aerobic exercise
- Daily movement
Prioritise sleep
Poor sleep is one of the most overlooked causes of hormonal imbalance.
Adults generally need seven to nine hours of quality sleep each night.
If loud snoring or excessive daytime sleepiness is present, evaluation for sleep apnoea is recommended.
Eat a balanced diet
Include:
- Lean protein
- Whole grains
- Vegetables
- Fruits
- Healthy fats
- Calcium-rich foods
- Vitamin D-rich foods
Crash diets and extreme calorie restriction may worsen testosterone levels.
Manage stress
Long-term elevation of cortisol, the body’s stress hormone, can negatively affect testosterone production.
Helpful strategies include:
- Mindfulness
- Deep breathing
- Yoga
- Time outdoors
- Regular physical activity
- Social connection
Reduce alcohol and stop smoking
Excessive alcohol intake and smoking both negatively affect testosterone production, fertility and cardiovascular health.
Quitting smoking and moderating alcohol consumption offer benefits well beyond hormone health.
What About Testosterone Replacement Therapy?
Testosterone replacement therapy (TRT) may benefit carefully selected men with confirmed testosterone deficiency and significant symptoms.
Treatment options include:
- Gels
- Skin patches
- Injections
- Long-acting implants (where available)
Potential benefits may include:
- Improved libido
- Better erectile function
- Increased energy
- Improved mood
- Increased muscle mass
- Better bone density
However, TRT is not an anti-ageing treatment and should not be used simply because testosterone levels decline slightly with age.
Regular medical monitoring is essential because therapy may affect:
- Red blood cell count
- Prostate health
- Fertility
- Cardiovascular risk in selected individuals
Men wishing to have children should discuss fertility implications before starting treatment.
When Should You See a Doctor?
Consider seeking medical advice if symptoms persist for several months, particularly if you experience:
- Reduced libido
- Erectile dysfunction
- Persistent fatigue
- Depression or low mood
- Loss of muscle strength
- Unexplained weight gain
- Reduced concentration
- Fragility fractures
Early assessment allows doctors to identify reversible causes and recommend appropriate treatment.
Healthy Ageing Is About More Than Hormones
Testosterone is only one piece of the healthy ageing puzzle.
Regular health screening, exercise, balanced nutrition, quality sleep, meaningful relationships and stress management remain the cornerstones of healthy midlife.
Rather than viewing andropause as an inevitable decline, think of it as an opportunity to reassess your health, address modifiable risk factors and invest in habits that support long-term well-being.
Growing older does not mean accepting poor health. With the right lifestyle choices and appropriate medical care when needed, many men continue to lead energetic, productive and fulfilling lives well into later adulthood.
Key Takeaways
- Testosterone naturally declines with age, but significant symptoms are not inevitable.
- Persistent fatigue, low libido, reduced muscle mass and mood changes deserve medical assessment.
- Lifestyle changes, including exercise, healthy weight, sleep and stress management can substantially improve symptoms.
- Testosterone replacement therapy is appropriate only for carefully selected men with confirmed deficiency.
- Healthy ageing involves caring for your whole body, not just your hormone levels.
References
- Endocrine Society. Testosterone Therapy in Men with Hypogonadism: Clinical Practice Guideline.
- European Association of Urology. Guidelines on Sexual and Reproductive Health.
- American Urological Association. Testosterone Deficiency Guideline.
- National Institute on Aging. Healthy Aging for Men.
- Harvard Health Publishing. Testosterone: What Every Man Should Know.
- Mayo Clinic. Male Hypogonadism.
- World Health Organization. Healthy Ageing Framework.
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