What Causes Low Testosterone?

January 30, 2026

Low testosterone can be related to aging, medical conditions, lifestyle factors, or issues affecting hormone production. A medical evaluation and lab testing at Lifeline Walk-In Medical in Torrance, CA are required to determine the cause.

Expanded Explanation


Testosterone is a hormone primarily produced in the male testes (testicles). It plays an important role in energy levels, sexual health, muscle mass, mood, and overall well-being. When testosterone levels fall below a healthy range, men may begin to notice physical or emotional changes that affect daily life.


At Lifeline Walk-In Medical, our licensed medical providers help patients in Torrance and the surrounding South Bay area understand potential causes of low testosterone through clinical evaluations and lab testing.

Common Causes of Low Testosterone

Aging

  • Testosterone levels naturally decline with age
  • Levels often begin decreasing after age 30
  • Some men experience a more significant decline that leads to symptoms



While age-related changes are common, symptoms should still be medically evaluated rather than dismissed.

Medical Conditions

Certain health conditions may interfere with testosterone production, including:

  • Diabetes
  • Obesity
  • Metabolic disorders
  • Chronic illnesses
  • Conditions affecting the testes or pituitary gland


Some prescription medications may also impact hormone levels. A provider at Lifeline Walk-In Medical can review your medical history to determine whether these factors may be contributing.

Lifestyle Factors

Daily habits can influence hormone balance over time, such as:

  • Chronic stress
  • Poor sleep quality
  • Lack of physical activity
  • Excessive alcohol consumption
  • Poor nutrition


Addressing lifestyle factors may support overall health, but testing is still necessary to determine whether testosterone levels are clinically low.

Hormonal or Gland-Related Issues

The endocrine system plays a critical role in hormone regulation. Issues such as:

  • Pituitary gland disorders
  • Testicular injury or dysfunction
  • Hormonal imbalances


can affect testosterone production and require medical evaluation.

Why a Medical Evaluation Matters


Symptoms of low testosterone can overlap with other conditions, including thyroid disorders, depression, or sleep-related issues. That’s why a clinical evaluation and lab testing are essential before considering treatment.


At Lifeline Walk-In Medical in Torrance, CA, our providers follow clinical guidelines to accurately diagnose low testosterone and determine whether treatment options, including testosterone replacement therapy, may be appropriate.

Frequently Asked Questions About Low Testosterone

What are the most common symptoms of low testosterone?

Symptoms may include low libido, fatigue, fewer erections, mood changes, decreased muscle mass, and loss of body or facial hair. Symptoms vary from person to person.

Can lifestyle changes improve low testosterone?

In some cases, improving sleep, managing stress, exercising regularly, and maintaining a healthy weight may support hormone balance. However, lab testing is still important to identify the underlying cause.

Does low testosterone only affect older men?

No. While testosterone levels naturally decline with age, younger men in Torrance and nearby communities can also experience low testosterone due to medical or lifestyle factors.

When should I consider getting tested?

If symptoms are persistent or affecting your quality of life, a consultation with a medical provider can help determine whether testing is appropriate.

Schedule a Consultation at Lifeline Walk-In Medical

If you’re experiencing symptoms that may be related to low testosterone, the team at Lifeline Walk-In Medical is here to help. We provide professional evaluations and lab testing for patients in Torrance, CA and surrounding areas.

Schedule a TRT Consultation →

Disclaimer: The information provided on this blog is for general informational purposes only and is not intended as, and should not be considered, medical advice. All information, content, and material available on this blog are for general informational purposes only. Readers are advised to consult with a qualified healthcare professional for medical advice, diagnosis, or treatment. The author and the blog disclaim any liability for the decisions you make based on the information provided. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

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