marek-health-logo

MAREK BLOG

Show Filters

Traveling With Testosterone Through TSA and Abroad

Traveling with testosterone means planning for TSA screening, syringes, and customs rules abroad. Learn how all patients prepare documents and supplies.

Jul 31, 2026

Does Obesity Lower Testosterone? What Men Should Know

Obesity and testosterone are closely tied. Extra belly fat can lower a man's levels, and weight loss may raise them. Learn the science and how to get tested.

Jul 31, 2026

The Connection Between Low Testosterone And Blood Sugar

Low testosterone and blood sugar are tied together through insulin resistance. Learn how the two connect, what the research shows, and when to get tested.

Jul 31, 2026

Can You Have Kids While On TRT? What Men Should Know

Can you have kids while on TRT? Testosterone therapy lowers sperm count, but conception is still possible with the right plan. See your options and next steps.

Jul 30, 2026

Preserving Fertility On TRT With HCG: What To Know

Preserving fertility on TRT with hCG: how it helps keep sperm production going on testosterone, what the research shows, and when to talk to a provider.

Jul 30, 2026

Restarting Natural Testosterone After TRT: What To Expect

Restarting natural testosterone after TRT takes tapering, medical support, and careful monitoring. Learn how recovery works and when to consult your provider.

Jul 30, 2026

How Low Testosterone And Sleep Apnea Are Connected

Low testosterone and sleep apnea often occur together in men. See how the two are linked, what the research shows, and when it is time to get evaluated.

Jul 30, 2026

TRT And Mood: What Testosterone Does For Depression

TRT and mood are closely linked. Learn how testosterone therapy can ease depressive symptoms, when it can backfire, and how to protect your mental health.

Jul 29, 2026

TRT Injection Sites: Where to Inject Testosterone Safely

TRT injection sites compared by comfort, absorption, and volume capacity. Learn where to inject testosterone, how to rotate sites, and what each option offers.

Jul 29, 2026

TRT And Libido: How Testosterone Affects Your Sex Drive

TRT and libido: testosterone therapy can help restore a low sex drive when low T is confirmed, though it rarely fixes erections alone. See your next step

Jul 28, 2026