“Intermittent fasting is nice but still isn’t magic…”

Hello dear Scalpelheads, medicine had another busy week producing approximately 47,000 things you absolutely do not need occupying valuable brain storage.

So I did the filtering.

[This is where I should hear applause]

Okay…Thanks..

So here’s the stuff I’d actually tell you over coffee: how little exercise your bones may need, why your second medication might exist because of your first medication, why fasting still isn’t metabolic witchcraft, and why the once-daily “eat-less” pill in 6-year-olds is suddenly a very real conversation.

Let’s get into it…

Researchers analyzed 124 exercise trials involving more than 18,000 adults over 40.

Good news: apparently your skeleton does not require you to become David Goggins.

Brisk walking, jogging, and combining cardio with resistance training all performed well for maintaining bone strength.

The sweet spot looked roughly equivalent to 2 to 3 hours of brisk walking or jogging per week.

That matters because osteoporosis usually spends years quietly stealing bone before anyone gives a shit.

Remember this: Move your body. Lift something occasionally. Your skeleton will appreciate it.

The exact perfect dose? Still unclear.

This one is mildly terrifying.

Researchers looked at around 2.3 million older adults and found repeated examples of prescribing cascades.

Drug causes side effect.

Side effect gets mistaken for new disease.

Congratulations. Here’s another drug.

Classic example: iron causes constipation, so now you’re taking a laxative to deal with the medication you were already taking.

Obviously, not every new symptom is caused by medication.

But if something weird suddenly starts after a new drug or dose change, maybe don't immediately assume your body unlocked a brand-new disease.

Ask: Could one of my medications be causing this?

Sometimes that question saves you from joining the pharmaceutical Avengers.

Bad news for anyone selling a $79 fasting masterclass.

Researchers followed night-shift workers who had previously used either intermittent fasting or regular calorie restriction.

Eighteen months later?

Both groups could maintain weight loss.

Intermittent fasting did not clearly beat simply eating fewer calories.

So apparently your fat cells do not own watches.

The boring answer keeps winning: the diet you can actually stick to probably matters more than whether you eat at 11:57 AM or 12:03 PM.

You do not need to wait 10 years for your body to notice you stopped smoking.

In a small analysis, people who continued smoking had an average 24-hour heart rate about 6.5 beats per minute higher and diastolic blood pressure around 3 mmHg higher than during short periods of abstinence.

And we're talking about stopping for as little as one day to one week.

Small study guys, I repeat… SMALL STUDY

Roughly 100 people. Don't tattoo the exact numbers onto your forehead.

But the point is pretty cool:

Your cardiovascular system notices surprisingly fast when you stop poisoning it.

Hormone therapy has spent decades being treated like the controversial cousin nobody wants sitting at Thanksgiving dinner.

Now researchers followed women with symptoms like hot flashes and night sweats and found those starting hormone therapy appeared to have about 22% fewer cardiovascular events.

The strongest association showed up when treatment began within 10 years of menopause.

Important giant asterisk: this was not randomized, so it cannot prove hormone therapy prevented heart disease.

But it supports an increasingly important idea:

Timing is important.

This does not mean start hormones to prevent a heart attack.

It means women already considering hormone therapy for menopausal symptoms have another reassuring piece of data to discuss with their doctor.

GLP-1 drugs went from diabetes medications to celebrity weight-loss drugs to completely reshaping obesity medicine.

And now we're talking about elementary-school kids.

In a large Phase III trial, children aged 6 to 11 received weekly semaglutide, the drug in Wegovy, plus lifestyle support.

After 68 weeks, about 40% were no longer classified as having obesity.

Placebo group?

Nada, zip, zero.

That is a ridiculous difference.

But these are children, so this conversation becomes much more complicated.

Growth. Nutrition. Development. Long-term safety. What happens when treatment stops.

All massive questions.

Semaglutide is not currently approved for obesity in this age group, so nothing changes for parents today.

But pediatric obesity treatment may be heading toward a completely different future.

Protecting brain tissue after a stroke has been one of medicine's favorite ways to repeatedly disappoint researchers.

Then this happened.

Nearly 1,000 stroke patients entered a randomized Phase III trial testing an experimental drug called loberamisal.

After 90 days, roughly 70% of treated patients had little or no disability.

Placebo? Around 56%.

That is not a tiny difference.

The catch: the entire trial took place in China.

Before everyone starts popping champagne, researchers need to know whether the same benefit appears in broader populations.

But this one deserves a spot on the watch list.

Kidney stones are basically your urinary tract deciding you've had too much peace lately.

Researchers tested a standardized plant-derived treatment in more than 600 adults with ureteral stones.

After 28 days:

About 45% of people taking the treatment passed their stone naturally.

Placebo: about 34%. Pretty sexy.

But before somebody sees the words plant-derived and starts swallowing every herb in Whole Foods:

Researchers tested a specific standardized preparation.

This does not mean random kidney stone supplements suddenly work.

Promising? Yes.

Ready to become routine treatment? Not yet.

This one is fascinating.

Researchers followed more than 3,000 older adults for nearly 14 years.

They found that Alzheimer's-related brain changes alone did not fully explain who developed cognitive problems.

Some brains appeared better at functioning despite the damage.

Researchers call this cognitive resilience.

Basically, two people can have similar Alzheimer's-related pathology, yet one functions much better than the other.

Why?

Still figuring that out.

And before someone invents a $49.99 Cognitive Resilience Supplement, no, we do not currently know how to reliably manufacture this effect.

But it suggests protecting your brain may involve more than simply preventing plaques.

Researchers studied more than 7,500 first pregnancies.

Women with the highest-quality diets before pregnancy had lower rates of premature birth, pregnancy-related high blood pressure, and other complications.

Premature birth was about 27% less common in the highest-diet-quality group.

Important caveat: observational study.

Healthy eaters might also exercise more, smoke less, have better healthcare, sleep better, sacrifice fewer goats to TikTok wellness influencers, etc.

So we cannot say diet alone caused the difference.

But the broader point makes sense:

Your body does not magically reset the second the pregnancy test turns positive.

Health going into pregnancy matters too.

1. New medication. New symptom. Connect the damn dots.

Before assuming you've developed another disease, ask whether one of your medications could be causing it.

2. Your bones don't need a Rocky montage.

Brisk weight-bearing exercise plus resistance training continues to look like one of the smartest combinations for healthy aging.

3. Wegovy is moving into very young children.

The latest results were huge, and pediatric obesity treatment may look very different within the next few years.

Medicine will generate another mountain of research next week.

I'll dig through the bullshit and bring you the few things actually worth knowing.

Alrighty… now let me know if you like this type of emails better than before, and I’ll listen to you…

If you have any suggestions or stories, reply back and let me know, we’re reading all of your messages.

Until next Saturday,

Kevin Cutthebull, MD

BMJ: Exercise and bone health in middle-aged and older adults, September 9, 2026

BMJ: Potentially inappropriate prescribing cascades in older adults, September 10, 2026

JAMA Internal Medicine: Menopausal hormone therapy and cardiovascular risk, September 8, 2026

Novo Nordisk: STEP Young Phase III semaglutide results, September 7, 2026

Hypertension Research: Smoking abstinence, ambulatory blood pressure and heart rate, September 8, 2026

Communications Medicine: Long-term intermittent fasting outcomes in night-shift workers, September 10, 2026

JAMA: Phase III loberamisal trial in acute ischemic stroke, September 10, 2026

JAMA Network Open: Oral treatment for spontaneous ureteral stone passage, September 9, 2026

Nature Medicine: Alzheimer's pathology and cognitive resilience, September 11, 2026

JAMA Network Open: Prepregnancy diet quality and pregnancy outcomes, September 10, 2026

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