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Michael Bloch, MD, MS: How astrological signs may be associated with risks for ADHD

December 01, 2020

Michael Bloch, MD, MS: How astrological signs may be associated with risks for ADHD

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  • 00:00I am Michael block.
  • 00:02I'm associate professor in
  • 00:03the Child study center.
  • 00:05I was also a resident in the
  • 00:08solar Program from 2004 to two,
  • 00:102010 and now the associate
  • 00:12Program Director of that program.
  • 00:14Today I'm going to be trying to
  • 00:17convince you that your astrological
  • 00:19sign is associated with your
  • 00:21risk for ADHD specifically,
  • 00:23will be talking bout a meta analysis
  • 00:26looking at the risk of 80 HD as
  • 00:30a function of your birth date.
  • 00:32So this is work that I've done with
  • 00:35Jose Flores who's a resident in the
  • 00:38adult psychiatry programs also work
  • 00:41closely with the Child Study Center
  • 00:43through the T 32 and we're going to
  • 00:46be talking about ADHD and 80 HD is
  • 00:49a child onset psychiatric disorder
  • 00:51characterized by both inattention,
  • 00:53hyperactivity,
  • 00:54and impulsive iti that has
  • 00:56an on set priority age,
  • 00:5812 years and in affects hidden causes,
  • 01:01symptoms in multiple settings.
  • 01:03Home, school and or work and
  • 01:06causes significant impairments.
  • 01:07Also ADHD is quite heritable disorder,
  • 01:10so it has a high degree of heritability
  • 01:13as compared to other psychiatric
  • 01:16disorders similar to autism.
  • 01:18Schizophrenia, bipolar disorder.
  • 01:20Much higher than depression or anxiety.
  • 01:23When you look at a twin studies
  • 01:26or molecular data.
  • 01:28Also,
  • 01:28there's a pretty clear brain
  • 01:31signature associated with those CD.
  • 01:33That is,
  • 01:34with 80HD,
  • 01:35that is that ADHD is associated with
  • 01:38delayed development of the prefrontal
  • 01:40brain regions that are involved in
  • 01:43cognitive control processes involved
  • 01:45in sustained attention and motor planning.
  • 01:50So I'm going to be talking a
  • 01:52little bit about my family,
  • 01:55so this is a picture of my wife,
  • 01:58Angie,
  • 01:58and our three kids going from left to right,
  • 02:01Sam, Paul, and Rachel.
  • 02:03And this is a picture in Paul and Sam's
  • 02:07and Rachel's kindergarten room at the
  • 02:09Child Care Center at Bodel here at Yale.
  • 02:12And Paul will be talking bout now
  • 02:15is now bout to turn 8 years old.
  • 02:18His birthday pretty soon he plans
  • 02:20to have a YouTube channel where
  • 02:22he where he plans to be a star.
  • 02:25He doesn't know quite what he's
  • 02:27gonna do on on his YouTube channel
  • 02:29yet but he really likes to race
  • 02:32Matchbox cars in my monster trucks.
  • 02:34Watch Minecraft videos on YouTube and
  • 02:36also really likes unboxing presence,
  • 02:38so maybe he's I think he's hoping to
  • 02:42have a career in that at this point.
  • 02:45So a couple of years ago.
  • 02:50Is the scene was very different
  • 02:52in this kindergarten classroom,
  • 02:53so both Sam and Paul were in kindergarten
  • 02:56at Bloedel and I remember when I
  • 02:58picked up all one day from kindergarten,
  • 03:01he said I'm not as smart
  • 03:03as all the other kids.
  • 03:05I can't do what what they can do and and
  • 03:08actually his experience was probably
  • 03:10pretty accurate in that classroom.
  • 03:13He was one thing you don't
  • 03:15know about Paul and Sam,
  • 03:17yet is that their birthday was right at
  • 03:20the end of the calendar year in 2012,
  • 03:23so they so they were born on December 13th,
  • 03:272012.
  • 03:27So it did day after 1212.
  • 03:29Twelve. That was hoping for and a
  • 03:32little before the Mayan Apocalypse,
  • 03:34which was twelve 2112 chairs.
  • 03:36Also hoping for, but like you don't
  • 03:39know and relevant to this potentially
  • 03:41is that the cut off date for.
  • 03:44Kindergarten and grades in school in
  • 03:47Connecticut is actually January 1st,
  • 03:49so both Paul and Sam were extremely young
  • 03:52for their for their grade in school when
  • 03:56they were starting out in kindergarten.
  • 03:59And so their experience that they were,
  • 04:02you know Paul's experience that he was
  • 04:04behind all the other kids may actually
  • 04:06be accurate and true at that age Ann.
  • 04:09And So what we were really interested
  • 04:11in a lot of and similarly a lot of
  • 04:14patients that I come across in clinic.
  • 04:17They get evaluated for 80 HD and they
  • 04:20are often kind of really young for
  • 04:22their age for their grade and young.
  • 04:25And so the question is,
  • 04:26is birthday to actually associated
  • 04:28with the risk of.
  • 04:30Of being diagnosed,
  • 04:31you're treated for ADHD and we
  • 04:33actually did a meta analysis.
  • 04:35Jose and I involving 14 studies that
  • 04:38were actually involved more than 3
  • 04:41million children across nine countries.
  • 04:43Looking at is there Association
  • 04:45between birthdate and risk of ADHD.
  • 04:47And is it related to the school cut off date?
  • 04:51You know, in schools?
  • 04:53And so when you look at risk of
  • 04:57ADHD being diagnosed or treated by
  • 05:00by birth month in school districts
  • 05:03that have a January cut off,
  • 05:06you see that there's a.
  • 05:08There's an increasing risk of being
  • 05:11diagnosed or treated for ADHD.
  • 05:13As you get later in the calendar year.
  • 05:17So as as when you're younger for your grade,
  • 05:21so the largest odds ratios.
  • 05:24For risk of 80 HD is in October,
  • 05:27not November.
  • 05:27The seven December,
  • 05:29right before the January cut off,
  • 05:31and it's the least in January,
  • 05:33February, March,
  • 05:34right after the January cut off.
  • 05:36And if you look similarly in
  • 05:38studies where the cut off for
  • 05:40school district is September 1st,
  • 05:42you see a very similar trend.
  • 05:45I'll be it offset by four months for
  • 05:48the different cut off date and then
  • 05:50you see the highest risk of ADHD
  • 05:53occurring in kids that are born.
  • 05:55In August, July,
  • 05:57June,
  • 05:57right before the that our youngest for their
  • 06:01school grade and you see the lowest risk
  • 06:04of being diagnosed or treated for ADHD,
  • 06:07being right after the school
  • 06:10cut off date September October,
  • 06:12November, December.
  • 06:14And not surprisingly,
  • 06:16when you overlay these two possible.
  • 06:21Patterns for school cut off dates and
  • 06:24you line them based on cut off date.
  • 06:27You see a very similar pattern where
  • 06:29kids are most likely to be diagnosed
  • 06:32with ADHD and have an odds ratio
  • 06:35of about 1.2 in the in the month.
  • 06:37Birth month right before the school
  • 06:39cut off and have the least risk in
  • 06:42the month after the school cut off.
  • 06:46Furthermore, another way of
  • 06:48looking at this is based on your
  • 06:51likelihood of being diagnosed with
  • 06:53ADHD or being treated for ADHD.
  • 06:56If you were born 120 days,
  • 06:59so the four months before this school
  • 07:02cut off first is 120 days after
  • 07:05the school cut off and you see the
  • 07:09odds of being diagnosed with ADHD,
  • 07:12the odds ratio is about one point 1.38.
  • 07:15If you were born in the 120
  • 07:18days before the school,
  • 07:19cut off rather than 120
  • 07:21days after the school,
  • 07:23cut off date and so that's associated with.
  • 07:26So being younger is associated with a
  • 07:30fairly substantial increase risk of ADHD.
  • 07:32And if you look at this heat map,
  • 07:35which looks at how the odds ratio
  • 07:38depends on when you set the the
  • 07:40interval time before and after you
  • 07:42see that the closer the interval
  • 07:44time is to the cut off date,
  • 07:47the higher the odds ratio of 80 HD.
  • 07:50So if you're born in the 30 days
  • 07:52before the school cut off compared
  • 07:54to 30 days after the odds ratios
  • 07:57approximated to be about 1.5,
  • 07:59meaning that you're about 50%,
  • 08:01you have about a 50%.
  • 08:03Higher likelihood of being
  • 08:05diagnosed with ADHD.
  • 08:06If you were born in the month
  • 08:09before the school cut off date
  • 08:12as opposed to the month after.
  • 08:15And into the bottom line is hopefully
  • 08:18first of all that I convinced you that.
  • 08:21Your astral astrological sign is
  • 08:24associated with your risk for ADHD,
  • 08:26but that the month of your birth is
  • 08:30strongly associated with your risk of
  • 08:32being diagnosed and treated for ADHD.
  • 08:35And this then the relationship is really
  • 08:38defined by the school entrance cut
  • 08:40off for the particular location you lived in.
  • 08:44There's evidence that the affect
  • 08:46re creases with increasing age,
  • 08:48in that the odds ratio for treatment.
  • 08:51But not diagnosis gets less as
  • 08:53the kids get older so that this
  • 08:56affect someone goes away as kids
  • 08:58get further advanced in school.
  • 09:00It's also clear that the effect
  • 09:02is fairly substantial if you look
  • 09:05at the the four months prior,
  • 09:06the odds ratio is a little
  • 09:09more than 1/3 higher,
  • 09:10and if you estimate the month
  • 09:12before it's about 50% higher,
  • 09:14so this is quite a substantial risk,
  • 09:16and I think this has significant
  • 09:19implications for first of all,
  • 09:20biological studies of children with ADHD.
  • 09:23So that the important biological marker
  • 09:25may not be your brain development compared
  • 09:28to your actual chronological age,
  • 09:31but it's what you're expected.
  • 09:34Age is supposed to be in school.
  • 09:37It also has profound implications for early
  • 09:40childhood education and public policy,
  • 09:43so Paul's doing great in school
  • 09:45now we held both him and Sam back
  • 09:49a year before they repeat repeated
  • 09:51kindergarten at a different school.
  • 09:54But then.
  • 09:56That decision is significant
  • 09:58financial implications,
  • 09:59you know probably cost.
  • 10:01I estimated about $36,000.
  • 10:03The decision to have the kids stay
  • 10:07at home for an extra year.
  • 10:10It's actually probably much more
  • 10:12than that and and clearly.
  • 10:15Kids from more advantage
  • 10:17households have more of an ability
  • 10:19to delay the start of schooling
  • 10:21and that may have significant
  • 10:23effects over the long term.
  • 10:26It also just emphasizes again the
  • 10:28importance of school readiness
  • 10:30programs that I was, you know,
  • 10:32I was well aware of Paul and Sam being
  • 10:35behind before they started kindergarten.
  • 10:38This definitely affected how we treated
  • 10:40them in school and probably part of
  • 10:43the reason why they're doing well.
  • 10:46So I wanted to thank you for
  • 10:49listening and hope you come to you.