Do You Have Low Testosterone?
Nine questions, no typing. It will not diagnose you. It tells you whether your symptoms are worth measuring properly.
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Signs of Low Testosterone in Men: What to Actually Look For
Low testosterone develops slowly and its signs are easy to blame on stress or age. The sexual, physical, and mood symptoms to watch for, why symptoms alone cannot diagnose it, and when to get properly tested.
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How Common Is Low Testosterone, Really?
2.1 percent, or one man in five over sixty. Two respected studies of aging men reached answers more than ten times apart, and the reason they disagree is the single most useful thing you can know about your own testosterone result.
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Why Testosterone Declines With Age: The Biology, Explained
Not treatment, the actual biology. Why testosterone falls with age, and what the evidence says genuinely helps.
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What Low Testosterone Quietly Costs You
1,007 men, two years, one identical lifestyle program. The group that also received testosterone gained 0.4 kg of muscle and lost 4.6 kg of fat, while the placebo group lost 1.3 kg of muscle doing exactly the same thing.
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Lean Men With Diabetes Had Lower Testosterone Than Obese Men Without It
In a study of 160 men, the lean men with type 2 diabetes had a median total testosterone of 302 ng/dL. The obese men without diabetes sat at 510 ng/dL. The belly is not the whole story.
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Low Testosterone and Heart Disease Mortality: A Marker, Not a Verdict
In 689 men with established cardiovascular disease, 70.68 percent had a testosterone at or below 300 ng/dL, and those men died at 1.48 times the rate of the rest. That is not the same as testosterone being the reason.
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Low Testosterone: How It Is Diagnosed and Monitored
Low testosterone is a diagnosis, not a single number. How it is properly confirmed, and how treatment is safely monitored.
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What a Proper Men's Health Blood Panel Measures
Anyone can order blood tests. Reading them correctly is a specialist skill, and it is the difference between a printout and an answer.
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Free Testosterone vs Total Testosterone
In 557 men, free testosterone tracked muscle, grip strength and leg power in older men. Total testosterone largely did not.
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What Testosterone Does to Muscle and Fat in Older Men
One trial group gained muscle and lost 4.6 kg of fat. The placebo group, on the same lifestyle program, lost muscle.
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How Long Does TRT Take to Work? A Realistic Timeline
When does testosterone therapy actually start working? A clear, honest timeline, effect by effect, from libido and mood in the first weeks to muscle, metabolism, and bone over the months that follow.
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Is Testosterone Therapy Safe?
What the largest trial to date (5,200+ men) found about TRT, the heart, and the prostate.
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GP vs Endocrinologist for TRT
Anyone can prescribe testosterone. Getting the best result safely, and with your fertility in mind, is a specialist's job.
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Idiopathic Male Infertility: A Quarter Have Low Testosterone
23.8 percent of men labeled with idiopathic infertility had a total testosterone below 3.5 ng/mL, against 4.5 percent of normozoospermic controls. The label was covering something measurable in a quarter of them.
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Testosterone and Your Joints: The 51 Percent That Disappears
A cross-sectional study of 10,439 US adults found 51 percent lower odds of arthritis in the highest testosterone quartile. In the same fully adjusted model, the continuous estimate came out at 1.02 with a confidence interval of 0.97 to 1.07. Here is why both numbers are true and only one of them means anything.
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What GLP-1 Weight Loss Does to Your Testosterone
Obesity suppresses testosterone. Losing fat can bring it back, but rapid loss costs muscle. Why both need one doctor.
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Does Coffee Affect Your Testosterone?
Higher coffee drinkers had higher total testosterone and lower free testosterone at the same time. Why that is not a contradiction, and what it teaches about reading one number.
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Testosterone and Behavior: What Happens When Someone Is Watching
192 healthy men, a single 150 mg dose or placebo, and a learning task played either alone or in front of observers. Testosterone eliminated the audience effect entirely, and the computational modeling shows it never touched learning at all.
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