Video summary
Dr. Peter Attia emphasizes that adequate sleep and stress reduction are far more effective natural methods for boosting testosterone than any supplement regimen, noting that hypercortisolemia likely has a profound negative impact on endogenous production via the pituitary-gonadal axis. He estimates that fixing these lifestyle factors could increase testosterone levels by 300 to 400 nanograms per deciliter (ng/dL), which is often more beneficial than relying on the "litany of supplements" with marginal benefits. For men, particularly those in their mid-20s who push themselves hard at work and social events while consuming alcohol, these behaviors can create a vicious feedback loop leading to hypogonadism; Attia argues that rather than immediately replacing testosterone via TRT just because the number is low (e.g., 300 ng/dL placing one in the 10th percentile), it is better to address underlying symptoms like poor energy, mood, and libido by fixing sleep and stress first. Regarding women, Attia suggests a different approach involving DHEA supplementation after addressing standard behavioral factors, as connecting lifestyle changes to hormonal outcomes can be more difficult for them. He explains that while increasing testosterone in men from 300 to 340 ng/dL yields no clinical benefit because adrenal production is already maximized relative to total levels, raising a woman's DHEA-S from roughly 40 to 80 ng/dL represents significant improvement within her typical range of 60 to 100 ng/dL. The primary risks for women at these doses are cosmetic side effects like increased acne or body hair, rather than the virilizing symptoms such as clitoral enlargement or voice deepening seen with higher testosterone therapies in men. Attia also addresses the "NoFap" movement, a subculture where men abstain from orgasm to preserve masculinity and energy, dismissing claims of an inverse relationship between ejaculation frequency and vitality due to a lack of clinical evidence supporting these assertions. Shifting focus to longevity and fitness potential, he highlights a remarkable case study of a 93-year-old man who achieved the physical fitness level of a 40-year-old rower despite not being a lifelong athlete; this individual took up rowing classes in his later years and developed exceptional cardiovascular capacity with low body fat around 16%. Attia clarifies that while the subject did not possess the muscle mass or coordination of a younger person, he functioned at an age-equivalent level closer to someone in their 70s compared to other peers. The speaker uses this story as a powerful mental model for healthspan, comparing it to financial investing where one can start accumulating wealth later in life and still achieve billionaire status by the time they are old through consistent compounding over decades. He expresses admiration for individuals who demonstrate high function at age 90 rather than just peak performance at 40, arguing that starting a rigorous fitness regime now can lead to being "ridiculously fit" well into one's 60s and beyond. This perspective aims to dispel myths among older generations about the impossibility of improving health later in life by showing that significant physiological gains are possible regardless of when an individual begins their journey toward longevity.
Read the full video transcript
let's say that we're going to go to the
other side of the fence now there are
guys listening who want to naturally
improve testosterone
production what are the big mov is what
would you suggest I mean it's going to
sound like a real um crap answer I don't
think there is a bigger way to naturally
increase testosterone than adequate
sleep and reduction of cortisol I I I
think
hypercortisolemia stress probably has
the greatest negative imp
behaviorally on the endogenous
production of testosterone probably
through the pituitary uh gatal axis and
um you know how much can it move the
needle you know probably to the tune of
3 or 400 nanograms per deciliter um so
if you're not sleeping well um and
you're under a lot of stress it's it's
very easy to end up
hypogonadal um and therefore fixing that
I think is far more beneficial than sort
of the the Litany of supplements out
there that may or may not have marginal
benefit so the for now for women there's
a different answer but for men I would
say that that's the answer the hard
charging dude that's you know maybe mid
20s crushing it in the office going to
the gym maybe partying on a weekend once
or twice bit of alcohol whatever
whatever uh this becomes kind of vicious
feedback loop which is precisely why men
are looking to things like like trt
because of how hard they're potentially
pushing themselves during the week yeah
and I think that you know so so to that
guy what I would say is why do you want
to replace your testosterone so let's
say he goes and gets checked out and his
testosterone is 300 nanograms per
deciliter which you know probably puts
him at the 10th percentile uh for a man
his age so undoubtedly that would
qualify as hypogonadism so the question
is do you want to fix that because you
don't like the number and or or is there
a symptom we're trying to fix and if the
symptom is what we're trying to fix then
I would say let's fix that symptom I.E
poor energy poor mood poor libido let's
fix that symptom by fixing these other
things over here and by the way along
the way we might also improve your
testosterone but I um you know again
like I guess I don't treat that type of
patient so maybe someone who does is
listening to me and saying well you
don't understand and you know that guy
even though he's only 24 we're never
going to get him out of that spiral if
we don't normalize his testosterone and
you you know again that that wouldn't be
my Approach but I want to be mindful of
talking about something I don't do for a
living what about women yeah I think
with with with women we have one more
trick up Our Sleeve which is
DHEA um so again doing all of the normal
behavioral stuff but it's it's it's a
little harder to make the connection in
women um but but and this is something I
actually learned kind of recently
because I used to be very dismissive of
DHEA because in men it has no effect
whatsoever um but DHE of course is what
allows for adrenal production
testosterone and the reason it has no
impact on men is if you increase a guy's
testosterone by 40 milligram per
deciliter which is about what you're
going to get from adrenal production if
you maximize it you don't move the
needle at all so taking a guy from 300
to 340 is doing nothing but if you took
a woman from 40 to 80 what's a typical
woman's range well it depends by age and
it also somewhat depends on where she is
in her cycle but um I would say you know
normal for a young woman might be 60 to
100 per deciliter yeah so if a woman is
you know symptomatic and she's 30 and
you take her from 30 up to 70 with just
the addition of oral DHEA like that's a
win are the risks um I mean the biggest
risks for women at that level are you
know the side effects I would say right
so you're looking at increase acne maybe
body hair at that devil at that level
you're not going to get any of the other
real risks that we see with te BL yeah
cliteral enlargement voice deepening and
all that stuff you're not going to get
that at those doses have you got an
opinion on the noap movement that's
something that's put forward as a
potential solution for guys with low tea
I'm sorry I don't even know what it is
let me teach you about noof fap this is
my speciality it's uh men purposefully
abstaining from orgasm either from
themselves or with other
people why because it's an internet
subculture and the internet likes Trends
and this has been a what does it have to
do with the te situation
that there are guys out there who have
created
a link between the frequency of
ejaculation and their masculinity both
inverse relationship or direct
relationship the more that you the more
that you do it the more your energy is
sapped I see got it have you ever SE has
this ever been clinically observed in
any form I can't say it I if it has I'm
not aware of it what a shame
geroscience researchers report an
astounding case study of a 93-year-old
with the physical fitness of a
40-year-old this is the rower that I
wrote about a few weeks ago tell me the
story of this yeah it's an interesting
fellow he um was not a lifelong athlete
at all right so that's the beautiful
part of the story in my book if you're
if you're listening to this and you're a
normal person so was he and he just kind
of took up rowing like like classes
rowing classes you know you go you get
on a rowing machine and you just sort of
do it and
he just took such a love to this thing
and got so good that at the rip old age
of '93 I mean I honestly I think his V2
Max um I don't remember if it was
reported in the article or if we tried
to back calculate it based on his times
but I mean he at least from that
perspective from a rowing perspective
would have the fitness of a of a great
40-year-old now I don't want to
misrepresent and say that he's a
40-year-old cuz he's not right he
doesn't have the muscle mass of a
40-year-old although he does have very
low body fat right so if if I if I
recall his body fat was probably 16%
which is outstanding is his muscle
quality the same as yours no um you know
would his coordination uh or fall risk
aversion be the same as yours no but but
look the point is when you compare him
to another 93-year-old he's clearly
functioning at a level that's you know
in totality I would say at someone in
their 70s and to me that's that's the
game like I'm way more impressed by and
interested in that guy than I am in any
influencer I see doing any feet of
strength running any like I don't care
like I don't care what you can do when
you're 40 I really don't I really care
what you can do when you're 90 how long
was he training
for decades I mean this was not so he'd
fall in love with running with rowing at
in his 60s or something yes exactly okay
and he'd accumulated this Capac over
time yeah so think of him like a guy who
you
know didn't really accumulate much
wealth until he was 60 and then started
investing but was an amazing investor
and a consistent investor and compounded
and compounded and compounded and in his
90s he's a
billionaire and it's sort of like w wow
how did this guy just become a
billionaire in his 90s well I mean he
did all this incredible stuff for the
past 30 years now the good news is you
can start that at 30 and be a
ridiculously fit 60y old and by the way
you'll be a ridiculously fit 90y old as
well yeah it's it's cool to hear stories
like that because I think we've turned
such a corner with our understanding of
health and fitness within the last even
just communication about anything it's
emotions meditation history philosophy
whatever but there must be a number of
people especially like my parents
generation who feel a bit
mythed about the fact that God if I'd
known this when I'd been able to hold on
to my health as opposed to doing it now
when I'm in my 60s that sucks but you
have this example of a guy who did do
that in you know what would be
considered serious later life especially
for an athletic career to begin or a
health and fitness regime and has shown
just how powerful that is like that's I
think that's very it's a very cool story
yeah so he's he's kind of like the
poster child for this centenarian
decathlon I that I love to talk about
right it's the it's the it's the mental
model for what what I train for what our
patients train for and what we really
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