Dr. John Kruse, PO Box 38, Papaaloa, HI (2026)

06/17/2026

The FDA recently ignited a controversy by pointing out that replacement thyroid hormone from dried, ground up pig thyroids was less clean and safe than the synthetic product. But far more alarming, some research indicates that as much as 90% of the millions of Americans on thyroid hormone are either taking too much or don't need to take it at all.

Free link for non-members of Medium: https://medium.com/invisible-illness/thyroid-hormone-too-much-of-a-good-thing-624be1b32ff5?sk=5975304a63aba7ab90b410dc15af0ae3

https://medium.com/invisible-illness/thyroid-hormone-too-much-of-a-good-thing-624be1b32ff5

Rather than worry about natural versus synthetic thyroid hormone, many should be questioning taking it at all.

06/16/2026

Weekly Q&A - 16 Jun 2026

Join me for my Weekly Q&A at:
https://youtube.com/live/sRixvteb9tI

Livestream every Tuesday at 9:00am West Coast USA / 12:00pm East Coast USA / 6:00am Hawaii / 6:00pm Central European
www.youtube.com/

Video released this week:
- M**h and Adderall Aren't the Same
https://youtu.be/LZt_CDegTTU

After a short recap of the video, I’ll be available for questions on this topic or any other related to Mental Health.

- M**h and Adderall Aren't the Same:

M**hamphetamine and Adderall (a combination of levo- and dextro- amphetamine) are similar, but not identical stimulants. The additional methyl group on methamphetamine means that it delivers a bigger burst of dopamine when it acts on the brain, and this appears to be what makes it both more addictive and more prone to causing psychosis. Stimulants aren't all the same, despite what some addiction treatment centers say.

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You can also discuss and ask questions on my Reddit page:
https://www.reddit.com/r/Drjohnkruse

If you have ideas for additional talks, or other feedback, let me know:
[email protected]

My Medium page with hundreds of articles on Mental Health and other subjects:
https://dockruse.medium.com
Access to full articles requires paid membership.

Read writing from John Kruse MD, PhD on Medium. Psychiatrist, neuroscientist, gay father of twins, marathon runner, in Hawaii. 200+ free ADHD & mental health videos at: https://www.youtube.com/

06/10/2026

Histamine plays important roles in both the immune system and the brain. When mast cells release histamine in the body, it can cause skin redness, itching, nausea, runny eyes and nose, decreased blood pressure, and wheezing. In the brain histamine acts as both a neurotransmitter, causing increased arousal and alertness, as well as regulating circadian rhythms and being involved with executive functions. Conventional antihistamines blocking the H1 receptor are used to treat allergies. H2 blocking antihistamines reduce stomach acidity. The newest class of antihistamines work on the H3 auto receptor and actually increase histamine levels. One H3 blocker, pitolisant, is approved for narcolepsy and preliminary studies indicate it may also help with dementia.

Free link for non-members of Medium: https://medium.com/invisible-illness/boo-hiss-its-histamine-c731553dbb63?sk=041e4824ea4311f18787e863cb66d172

https://medium.com/invisible-illness/boo-hiss-its-histamine-c731553dbb63

Often cast as the villain, histamine actually plays a complex role in our lives.

06/03/2026

Hypnosis isn't just a magic trick to make people behave in bizarre or embarrassing ways. Over 240 years of scientific research back up that hypnosis is a helpful technique for treating a range of bodily and mental health problems - and the effects tend to be more long lasting and safer than many alternatives.

Free link for non-members of Medium:
https://medium.com/invisible-illness/hypnosis-isnt-just-hype-19f54f43513c?sk=6c20478ff6a8435cba5623f9d42652d7

https://medium.com/invisible-illness/hypnosis-isnt-just-hype-19f54f43513c

This neglected therapy can change brains and bodies for the better.

06/01/2026

Weekly Q&A - 02 Jun 2026

Join me for my Weekly Q&A at:
https://youtube.com/live/S_BCUzoM6LI

Livestream every Tuesday at 9:00am West Coast USA / 12:00pm East Coast USA / 6:00am Hawaii / 6:00pm Central European
www.youtube.com/

Video released this week:

- Hypnosis and ADHD
https://youtu.be/PFt_TnIK_EU

After a short recap of the video, I’ll be available for questions on this topic or any other related to Mental Health.

- Hypnosis and ADHD:

More than two and a half centuries of research have documented that hypnosis can be an effective treatment approach for numerous physical and mental conditions. Hypnosis involves intense focus, detachment from extraneous stimuli, and enhanced mental flexibility. Neuroscience has revealed some patterns of brain activation underlying successful hypnosis. A small amount of research indicates that hypnosis can lead to improvement in ADHD symptoms.

-----
You can also discuss and ask questions on my Reddit page:
https://www.reddit.com/r/Drjohnkruse

If you have ideas for additional talks, or other feedback, let me know:
[email protected]

My Medium page with hundreds of articles on Mental Health and other subjects:
https://dockruse.medium.com
Access to full articles requires paid membership.

Read writing from John Kruse MD, PhD on Medium. Psychiatrist, neuroscientist, gay father of twins, marathon runner, in Hawaii. 200+ free ADHD & mental health videos at: https://www.youtube.com/

05/27/2026

For years individuals have noticed that immersion in our digital world erodes attention, impulsive control and emotional regulation, and that taking time off from our devices restores clear thinking and a sense of well being. Research is confirming that not just subjective feelings, but objective performance on tasks measuring attention, memory, and impulse control can improve after stepping away from digital devices for a week or two - and that reduction in use by as little as an hour a day can provide large benefits.

Free link for non-members of Medium:

Getting off your device has multiple benefits for your life and brain

05/25/2026

Weekly Q&A - 26 May 2026

Join me for my Weekly Q&A at:
https://youtube.com/live/XISemmPHHvM

Livestream every Tuesday at 9:00am West Coast USA / 12:00pm East Coast USA / 6:00am Hawaii / 6:00pm Central European
www.youtube.com/

Video released this week:

- Digital Detox and Mental Health
https://youtu.be/MZuXvEzGkzk

After a short recap of the video, I’ll be available for questions on this topic or any other related to Mental Health.

- Digital Detox and Mental Health:

There is a wealth of personal anecdotes that digital detoxes can improve concentration, boost mood, and decrease anxiety, but in addition to these compelling stories, researchers are compiling studies that document that getting away from cell phones and/or social media for as little as a week can improve subjective and objective measures of attention, mood, and well-being. Complete avoidance of all digital input isn't necessary for benefits - as little as an hour a day in reducing immersion in the digital world can improve functioning of the brain.

-----
You can also discuss and ask questions on my Reddit page:
https://www.reddit.com/r/Drjohnkruse

If you have ideas for additional talks, or other feedback, let me know:
[email protected]

My Medium page with hundreds of articles on Mental Health and other subjects:
https://dockruse.medium.com
Access to full articles requires paid membership.
ood, and decrease anxiety, but in addition to these compelling stories, researchers are compiling studies that document that getting away from cell phones and/or social media for as little as a week can improve subjective and objective measures of attention, mood, and well-being. Complete avoidance of all digital input isn't necessary for benefits - as little as an hour a day in reducing immersion in the digital world can improve functioning of the brain.

-----
You can also discuss and ask questions on my Reddit page:
https://www.reddit.com/r/Drjohnkruse

If you have ideas for additional talks, or other feedback, let me know:
[email protected]

My Medium page with hundreds of articles on Mental Health and other subjects:
https://dockruse.medium.com
Access to full articles requires paid membership.

Read writing from John Kruse MD, PhD on Medium. Psychiatrist, neuroscientist, gay father of twins, marathon runner, in Hawaii. 200+ free ADHD & mental health videos at: https://www.youtube.com/

05/20/2026

Researchers recently found three distinct subtypes of ADHD, identifiable by biomarkers related to patterns of brain connectivity. Much of the mental health community applauded, claiming that the findings verified the current division of ADHD based on symptoms of either inattentiveness or hyperactivity. But the study actually thoroughly repudiated our current ADHD subtypes. Psychiatry appears to be behind the curve in accepting that most, if not all, of our traditional diagnoses need to be drastically revised.

Free link for non-members of Medium:
https://medium.com/invisible-illness/psychiatry-is-missing-the-boat-on-biomarkers-61caba4c5607?sk=8e5f6949c0e7ba73ec0249d46cb61156

https://medium.com/invisible-illness/psychiatry-is-missing-the-boat-on-biomarkers-61caba4c5607

Recent gains in neuroscience are likely to overthrow much of our current mental health diagnostic system.

05/13/2026

Impulsivity is an important element of ADHD, addictions, mania, and su***de. Impulsivity can entail acting before thinking, ignoring or not attending to relevant information, trouble restraining initial reactions, and poor planning for the future. A recent study of the genetic contributions to impulsivity shows that impulsivity is a collection of related and overlapping traits, and not just due to a simple, unitary brain process.

Free link for non-members of Medium:
https://medium.com/invisible-illness/go-ahead-eat-the-marshmallow-e1f95ec4492b?sk=7d6ec4af250c5882bc4e452427176af4

https://medium.com/invisible-illness/go-ahead-eat-the-marshmallow-e1f95ec4492b

Researchers are getting a stronger grasp on what impulsivity entails

05/11/2026

Weekly Q&A - 12 May 2026

Join me for my Weekly Q&A at:
https://youtube.com/live/_FVwSeQPsQI

Livestream every Tuesday at 9:00am West Coast USA / 12:00pm East Coast USA / 6:00am Hawaii / 6:00pm Central European
www.youtube.com/

Video released this week:

- Azstarys for ADHD
https://youtu.be/tnH_VpuCMfo

After a short recap of the video, I’ll be available for questions on this topic or any other related to Mental Health.

- Azstarys for ADHD:
Azstarys is a slow release form of methylphenidate containing the prodrug, serdexmethylphenidate, as well as immediate release methylphenidate. It is frequently compared to Vyvanse, a prodrug of dextroamphetamine. It differs from Vyvanse in that it does contain immediate release medication, the cleavage of the prodrug into active drug occurs in the intestines, and much more of the drug is being released throughout the night than is the case with Vyvanse. Although many individuals can tolerate it, it is much more likely to interfere with sleep than most other formulations of methylphenidate.

-----
You can also discuss and ask questions on my Reddit page:
https://www.reddit.com/r/Drjohnkruse

If you have ideas for additional talks, or other feedback, let me know:
[email protected]

My Medium page with hundreds of articles on Mental Health and other subjects:
https://dockruse.medium.com
Access to full articles requires paid membership.

Read writing from John Kruse MD, PhD on Medium. Psychiatrist, neuroscientist, gay father of twins, marathon runner, in Hawaii. 200+ free ADHD & mental health videos at: https://www.youtube.com/

Dr. John Kruse

06/17/2026

06/16/2026

06/10/2026

06/03/2026

06/01/2026

05/27/2026

05/25/2026

05/20/2026

05/13/2026

05/11/2026

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