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Oliver Buchannon
Nuna Johnson

Nuna Johnson writes The Male Brief, helping men understand their bodies, age well, and stay present.

Sexual Health

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Why You Can't Get Hard

Mar 8, 2026

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9 min read

Why You Can't Get Hard

Sleep apnea affects 1 in 3 men — and up to 92% of them also have erectile dysfunction. Your breathing at night might be destroying your sex life. Here's the science and what to do about it.

Nuna Johnson
Nuna Johnson

Mental Health

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Your Brain on Porn: Why Real Women Can't Compete

Mar 1, 2026

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6 min read

Your Brain on Porn: Why Real Women Can't Compete

Porn delivers a 400% dopamine spike—nearly cocaine levels. Your brain adapted. Now nothing else feels rewarding. Here's the neuroscience of what's happening and how to rewire it.

Nuna Johnson
Nuna Johnson

Sexual Health

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Your Erections Are Trying to Tell You Something

Feb 22, 2026

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7 min read

Your Erections Are Trying to Tell You Something

Morning wood isn't just about sex—it's your body's cardiovascular health report. Weak erections predict heart attacks years before symptoms.

Nuna Johnson
Nuna Johnson

Myths & Facts

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The Bald Truth

Feb 15, 2026

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5 min read

The Bald Truth

Your hair is falling out because you're making testosterone—and your body is converting it into something 5x more powerful. Here's what actually works to stop it, and the one drug everyone takes but few understand the risks of.

Nuna Johnson
Nuna Johnson

Preventive Health

Cold Truth, Hot Mess

Feb 8, 2026

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8 min read

Cold Truth, Hot Mess

Biohackers swear cold exposure boosts testosterone. Finns sit in 200°F saunas and have healthy sperm. Your gym bro does ice baths daily and still can't conceive. Here's what the science actually says.

Nuna Johnson
Nuna Johnson

Sexual Health

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Your Swimmers Are Struggling

Feb 1, 2026

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5 min read

Your Swimmers Are Struggling

Sperm counts dropped 50% in 50 years. Your phone, hot tub, and that nightly beer are killing your swimmers. Here's what actually works to improve sperm quality.

Nuna Johnson
Nuna Johnson

Fitness & Exercise

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Your Testosterone Truth

Jan 25, 2026

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6 min read

Your Testosterone Truth

New research shows the 300 ng/dL standard is wrong for younger men—plus the breathing tricks, cold exposure, and supplements that actually optimize your levels.

Nuna Johnson
Nuna Johnson

Fitness & Exercise

Muscle: Medicine's Biggest Miss

Jan 18, 2026

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5 min read

Muscle: Medicine's Biggest Miss

Ancient doctors thought muscle would smother your soul. Modern science proves it prevents Alzheimer's and 90-year-olds can gain 174% strength in 8 weeks.

Nuna Johnson
Nuna Johnson

Mental Health

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Let's Talk About What You're Doing in Private (And Why It's Fine)

Jan 11, 2026

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5 min read

Let's Talk About What You're Doing in Private (And Why It's Fine)

Ancient guilt meets modern science: Why that post-masturbation shame isn't about your body—it's about beliefs that were debunked centuries ago.

Nuna Johnson
Nuna Johnson
This Week’s Health Insight for Men

Jan 10, 2026

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2 min read

This Week’s Health Insight for Men

If you’re reading this, it means you care — not just about your health today, but about the quality of the years ahead.Most men are never taught how their bodies actually change with age. They’re expected to “deal with it” quietly, until something breaks. This newsletter exists to change that.Each week, The Male Brief will focus on one simple idea that helps men stay healthier, sharper, and more present as they get older — without fear, shame, or medical jargon.

Nuna Johnson
Nuna Johnson

The Male Brief

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