Low testosterone

Explore the causes, symptoms, and treatment options for low testosterone levels in men. Learn how to recognize the signs of low T and discover evidence-based strategies to restore hormonal balance and improve quality of life.

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The essentials for low testosterone — then explore the latest posts below.

Does alcohol cause inflammation? What men need to know about the immune response

Does alcohol cause inflammation? What men need to know about the immune response

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Jan 04, 2026 · 11 min read

Alcohol causes systemic, dose-dependent inflammation by producing acetaldehyde and activating liver immune cells (Kupffer cells) to release pro-inflammatory cytokines such as TNF-α and IL-6, while also weakening the gut barrier so bacterial toxins can enter the bloodstream. That immune “alarm” can keep firing long after the buzz fades. It can affect blood vessels, testosterone production, ...

Seasonal affective disorder hormones: How to tell SAD from low testosterone in men

Seasonal affective disorder hormones: How to tell SAD from low testosterone in men

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 29, 2025 · 13 min read

SAD usually follows a repeatable fall-to-winter pattern and improves in spring, while low testosterone is more likely when symptoms are persistent, come with libido or erection changes, and are confirmed on repeat morning blood tests. If your symptoms do not cleanly follow the calendar, or they come with sexual or sleep changes, it is time ...

Semaglutide and testosterone: The science of combining therapies for men

Semaglutide and testosterone: The science of combining therapies for men

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 08, 2025 · 11 min read

In men with obesity (BMI over 30) and low testosterone, combining semaglutide with testosterone therapy can promote fat loss while helping preserve lean muscle by reducing adipose-driven aromatase conversion of testosterone to estradiol and supporting anabolic metabolism. Instead of treating weight and hormones as separate problems, this paired approach targets the feedback loop where visceral ...

Can low testosterone cause joint pain?

Can low testosterone cause joint pain?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Dec 06, 2025 · 15 min read

Low testosterone can contribute to joint pain by increasing chronic inflammation and weakening the muscle, bone, and cartilage support that stabilizes joints. A 2025 longitudinal cohort study in BMC Musculoskeletal Disorders reported that men with low testosterone had about double the risk of developing osteoarthritis. [4] If aching knees or stiff shoulders come with fatigue, ...

Does stress cause low testosterone in men? What science really shows

Does stress cause low testosterone in men? What science really shows

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Dec 05, 2025 · 14 min read

Chronic psychological stress is linked to lower morning testosterone in men, largely because sustained HPA axis cortisol output can suppress hypothalamic-pituitary-gonadal (GnRH/LH) signaling and reduce testicular testosterone production. Here is how to recognize the stress-low T feedback loop and what actually helps break it. “Stress and testosterone talk to each other all day long. Short ...

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