You came for the name. Stay for what nobody else will tell you.
One guy, no medical degree, reading the actual trials on erectile dysfunction, hair loss, testosterone, fertility and the rest, and reporting what they say, including the findings that are inconvenient for the people selling the cure.
Written by Will PrestonHow I research and why I use a pen name
affiliate links
How strong is the evidence behind ED treatment?
All 25 statements in the American Urological Association’s ED guideline, by evidence grade.
What’s on your mind?
Pick the one that sounds like you. You’ll land on the article that answers it plainly, with the evidence and its sources. You’re far from the only one asking.
I can’t get hard, or can’t stay hard
I finish sooner than I’d like
My hair is thinning
I think my testosterone might be low
We’ve been trying for a baby
I’m worried about my size
I might have caught something
I found a lump down there
I’ve been feeling flat for weeksMy antidepressant killed my sex drive
I’m thinking about Ozempic or MounjaroI snore and I’m always tiredNo sign-up, no pop-ups, nothing to buy. If something feels urgent, like sudden chest pain or thoughts of harming yourself, skip the reading and call your local emergency number.
Every clinical claim here is traced to
Topic hubs
Ten things men search for at 1am
10 articlesErectile dysfunction
A blood-flow problem that shows up during sex. What the guideline says, what the prescriptions do, and when it is a warning about your heart.
- Erectile dysfunction is a cardiovascular symptom →
- Viagra, Cialis and the rest: choosing a duration →
- Shockwave therapy: a real effect, just below what you would notice →
- When the pills do not work →
6 articlesTestosterone & vitality
What low T actually is, what genuinely raises it, and why the booster aisle looks the way it does.
Open hub7 articlesHair loss
Two FDA-approved drugs with decades of trial data, and an industry built on top of them.
Open hub8 articlesWeight & metabolic health
GLP-1s, body composition, and the metabolic problems that quietly drive half the other topics here.
Open hub7 articlesSemen & fertility
Volume and sperm count are different conditions. Nearly every product sold for one cites research about the other.
Open hub5 articlesPremature ejaculation
What works, how strong the evidence behind each option really is, and when it is worth seeing someone.
Open hub5 articlesPenis enlargement
The honest answer, the narrow exceptions, and the methods that are actively dangerous.
Open hub6 articlesMental health & libido
Anxiety, depression, and the sexual side effects of the drugs used to treat them.
Open hub5 articlesSexual health & STIs
Testing intervals, what protection does and does not cover, and how to have the conversation.
Open hub10 articlesGeneral men’s health
Sleep, bloodwork, screening and the unglamorous baseline stuff everything else sits on.
Open hubOriginal research
We read the guideline so the clinics can’t spin it
Primary data, coded by hand and published with the method and dataset. Free to reuse with attribution.
The ED Treatment Evidence Card
All 25 statements in the AUA erectile dysfunction guideline, with the recommendation strength and evidence grade each one carries. Zero rest on Grade A evidence.
Half of ED treatment pages leave out that the treatment is investigational
We coded 137 claims across 90 pages against the AUA guideline. Half omit that shockwave, PRP and stem cell therapy for ED are investigational.
Start here
The questions people actually type
Why this site exists
Men’s health online is mostly two things: clinics that answer the question and then sell you the answer, and content farms rewriting each other.
Both leave out the same material. The studies that didn’t work out, the difference between the thing you’re worried about and the thing being sold to you, and the honest admission that a question isn’t settled.
That material is what this site is for. My article on fertility supplements leads with a 2,370-man NIH trial that found no benefit and one signal of harm. Fertility supplements are the easiest category on this site to monetise. I don’t monetise anything. That’s the standard, and it’s written down.
Nothing for sale
No affiliate links, no advertising, no product. The full disclosure.
Every claim sourced
Each article ends with its source list: 364 citations across 69 articles so far. Check them instead of trusting me.
Corrections in public
When something is wrong, it gets fixed and logged where you can see it. The corrections log.
Just published
Latest articles
The ED Treatment Evidence Card
Every treatment in the AUA erectile dysfunction guideline, with the recommendation strength and evidence grade it actually carries. Zero statements rest on Grade A evidence.
13 September 2026
Half of ED Treatment Pages Leave Out That the Treatment Is Investigational
We coded 137 claims across 90 pages against the AUA guideline. Half omitted that shockwave, PRP and stem cell therapy are investigational — and commercial clinics omitted it four times as often as publishers.
12 September 2026
Testosterone Injections vs Gel vs Pellets: What Actually Separates Them
Eight approved routes, side by side: dosing schedules, how flat each keeps your levels, which carries a boxed warning about your family, and which one may spare your sperm count.
12 September 2026
Suicide in Men: The Numbers, the Warning Signs, and What Helps
Men account for close to four in five suicide deaths. Why the gap exists, what it looks like from the outside, whether asking makes things worse, and what the evidence says actually helps.
11 September 2026
Heat and Sperm: Saunas, Laptops and What the Evidence Shows
Heat suppresses sperm production in experiments and the effect fully reverses. But in 3,041 couples, laptops, tight underwear and saunas showed no measurable effect on how quickly they conceived.
11 September 2026
Varicocele: The Most Common Correctable Cause of Male Infertility
Present in 15 percent of men and up to 44 percent of those with primary infertility. Repair reliably improves semen parameters. Whether it produces more babies is a genuinely open question.
11 September 2026
Who writes this
I’m Will Preston. I’m not a doctor. I’m a guy who got tired of searching these things at 1am and finding nothing but sales pages.
So I started reading the guidelines and the trials myself and writing down what they actually say. Every claim links to its source, so you can check me instead of trusting me. More about how I work, including why the byline is a pen name.