【射精】男性的射精頻率:真的越高越好嗎?
Summary
TLDRThis video script delves into male reproductive health, discussing the daily production of sperm cells, their storage in the epididymis, and the body's natural reabsorption process. It also explores the prostate stagnation hypothesis, which suggests a potential link between frequent ejaculation and reduced prostate cancer risk. Studies are cited that indicate higher ejaculation frequency in young adulthood may correlate with a lower risk of prostate cancer, though more research is needed for a definitive conclusion.
Takeaways
- 😲 The human male body produces millions of sperm cells daily, with an average of about 300 million, which equates to nearly 3500 sperm cells per second.
- 🔬 Sperm cells are produced in seminiferous tubules within the testes and are stored and mature in the epididymis, a structure that can hold a significant amount of sperm due to its length of about 20 feet when straightened out.
- 🛡️ The blood-testis barrier protects developing sperm from the immune system by isolating them, as sperm cells are recognized as foreign by the immune cells.
- 🧐 If sperm cells are not released through ejaculation, they do not accumulate indefinitely; instead, they break down and get reabsorbed by other cells in the epididymis.
- 💡 A vasectomy, a male birth control procedure, involves cutting the vas deferens, which prevents sperm from being released during climax, but other seminal secretions are still produced, making the ejaculate appear normal.
- 🧐 There is a hypothesis that frequent ejaculation might reduce the risk of prostate cancer by preventing the buildup of prostatic secretions that could potentially become carcinogenic, known as the prostate stagnation hypothesis.
- 📊 Studies have shown a correlation between higher frequency of ejaculation and a reduced risk of prostate cancer, with one study indicating a 20% risk reduction for those with 21 or more ejaculations per month compared to 4 to 7 times per month.
- 🌏 The findings from studies on ejaculation frequency and prostate cancer risk should be considered with caution, as they account for self-reported data and may not include all types of prostate cancer.
- 🤔 While the studies suggest potential benefits of frequent ejaculation, it is not definitive advice for everyone to aim for a specific number of ejaculations per month, and more research is needed.
- 💕 The video suggests that while the health implications are interesting, the emotional and relational aspects of sexual activity should also be considered, emphasizing the importance of love and connection.
Q & A
How many sperm cells are produced by the human body daily?
-The human body produces approximately 300 million sperm cells daily.
How many sperm cells are produced per second on average?
-On average, nearly 3500 sperm cells are produced per second.
What is the function of the blood-testis barrier?
-The blood-testis barrier isolates developing sperm cells from the immune system to prevent the immune cells from recognizing and attacking the sperm cells as foreign.
Where are sperm cells stored and mature in the male reproductive system?
-Sperm cells are stored and mature in the epididymis, specifically in the ductus epididymis, which can be up to 20 feet long when straightened out.
What happens to sperm cells that are not released through ejaculation?
-Unreleased sperm cells stay in the epididymis, where they eventually break down or degenerate and get reabsorbed by other cells lining the epididymis.
What is the prostate stagnation hypothesis?
-The prostate stagnation hypothesis is the idea that an accumulation or buildup of prostatic secretions could potentially become carcinogenic, thereby creating more opportunity for the development of prostate cancer.
What did the study involving about 30,000 men find regarding ejaculation frequency and prostate cancer risk?
-The study found that a high frequency of ejaculation, defined as 21 or more times per month, correlated with about a 20% risk reduction in prostate cancer compared to lower frequencies of ejaculation.
What was the frequency of ejaculation considered 'high' in the Australian study?
-In the Australian study, a high frequency of ejaculation was considered to be 4.6 to seven times per week.
How did the studies account for different types of ejaculation?
-The studies counted the total number of ejaculations, including intercourse, self-ejaculation, and nocturnal emissions.
What are some limitations or considerations regarding the studies on ejaculation frequency and prostate cancer risk?
-Limitations include potential errors in self-reporting from men recounting their ejaculation frequency, the fact that the studies did not include higher risk or more aggressive prostate cancers, and the need for more research to confirm the findings.
What is the conclusion or recommendation based on the information about ejaculation frequency and prostate cancer risk?
-While the studies suggest a potential risk reduction with higher ejaculation frequency, it's recommended that more research is needed before giving a definitive answer. It doesn't seem to hurt to have a higher frequency, but individuals should consider their personal circumstances and health.
Outlines
😲 Sperm Production and Storage Mechanisms
This paragraph delves into the astonishing daily sperm production by the human male testes, which can reach up to 300 million sperm cells. It explains the process of sperm cell development in seminiferous tubules and their storage in the epididymis, a coiled tube that can stretch up to 20 feet in length. The paragraph also touches on the blood-testis barrier, which isolates sperm from the immune system to prevent their destruction. Furthermore, it addresses the concern of what happens to sperm cells that are not released, revealing that older sperm cells break down and are reabsorbed, thus preventing overpopulation in the epididymis.
🤔 The Impact of Ejaculation Frequency on Prostate Cancer Risk
The second paragraph explores the potential health benefits of frequent ejaculation, particularly its correlation with a reduced risk of prostate cancer. It cites two studies that suggest a higher frequency of ejaculation, defined as 21 or more times per month during young adulthood, is associated with approximately a 20% decrease in prostate cancer risk. The summary also discusses the prostate stagnation hypothesis, which posits that an accumulation of prostatic secretions could potentially become carcinogenic. However, it cautions that these findings should be interpreted with consideration of other contributing factors to prostate cancer development, the limitations of self-reported data, and the need for further research before making definitive recommendations on ejaculation frequency.
Mindmap
Keywords
💡Sperm
💡Testes
💡Seminiferous Tubules
💡Epididymis
💡Blood-Testis Barrier
💡Degeneration
💡Vasectomy
💡Prostate Cancer
💡Ejaculation Frequency
💡Prostate Stagnation Hypothesis
💡Nocturnal Emissions
Highlights
The human male body produces millions of sperm cells daily, averaging about 300 million.
Sperm cells are produced in seminiferous tubules within the testes.
An average of 3500 sperm cells are produced per second.
The blood-testis barrier isolates developing sperm from the immune system to prevent their destruction.
Sperm cells mature in the epididymis, a structure with a duct that can stretch up to 20 feet long.
Older sperm cells in the epididymis break down and are reabsorbed, preventing overfilling.
Vasectomy prevents sperm release but does not affect the production and reabsorption process.
Frequent ejaculation may have potential health benefits, such as a reduced risk of prostate cancer.
A study found that high frequency of ejaculation correlated with a 20% risk reduction in prostate cancer.
High frequency is defined as 21 or more ejaculations per month, especially in young adulthood.
Another study from Australia found similar results with 4.6 to seven times per week reducing prostate cancer risk.
The prostate stagnation hypothesis suggests that buildup of prostatic secretions could potentially be carcinogenic.
The studies included total ejaculations, including intercourse, self, and nocturnal emissions.
While more research is needed, frequent ejaculation does not seem to have negative effects.
The video encourages viewers to consider the information provided but not to stress about reaching a 'magic number' of ejaculations.
The channel invites viewers to like, subscribe, and comment on the video for further discussion.
Transcripts
so the testes produce a lot of sperm
cells each day we are talking Millions
per day like about 300 million which
means if you are a male that has two
functioning testes just since this video
started you've potentially produced
anywhere from 50 to 70,000 sperm cells
so where do they all go how do you keep
up with such efficient production is
there a problem if sperm cells aren't
released and of course one of the more
interesting questions are there any
potential health benefits like reduction
in cancer risk from more frequent
release of sperm or other reproductive
substances these are obviously very
important questions that nearly every
human male has likely wondered so of
course we are going to answer these
questions in the name of science so
let's do
this so just in case you've missed some
of our previous male reproduction videos
or just need a quick review sperm cells
are produced in tiny tubes in each tesus
called seminiferous tubules here's a
right test or a testicle and if you open
it up you can see these string-like
seminiferous tubules and again if you
average out 300 million per day that is
nearly 3500 sperm cells being produced
per second but can we also mention
another really cool random fact about
the testes have you ever heard of the
blood brain barrier this is a barrier
that only allows certain substances to
pass from the blood and into the brain
essentially creating this protective
filter for the delicate nervous tissue
so what does this have to do with the
testes well there's also a blood testos
barrier now this isn't actually a
barrier of blood for the whole testis
but just a barrier between the blood and
the developing sperm cells the main
reason for this is to isolate the sperm
cells from the immune system because the
sperm cells are actually recognized as
foreign to our immune cells so we want
to prevent these developing sperm cells
from being gobbled up now once the sperm
are produced by these seminiferous
tubules they are eventually moved into
this structure On The Backs side of each
tesus called the epidemis and there's a
coil tube inside the epidemis called the
ductus epidemis and If This Were
straightened out it would be up to 6 M
or about 20 ft long and this is where
sperm are stored and mature prior to
being released from the body and this
answers the question where do they all
go because you can store a lot of
microscopic sperm cells in a 20 foot
long tube however there are still
potential limitations to a 20ft long
tube and in theory you could eventually
fill this completely up with sperm cells
if ejaculation were to never take place
or if there was not some other way to
deal with sperm that was not released
now I would love to tell you some epic
story that when there are too many sperm
cells they go to war with one another
and it's the X sperm cells versus the Y
sperm cells strangling each other with
their tails and eventually cutting the
epid sperm population in half but it's a
lot more simple than that as sperms stay
longer and longer in the epidemis they
start to break down or degenerate and
get reabsorbed by other cells lining the
epidemis so as new sperm cells are being
produced each day older sperm cells are
also being reabsorbed now this also
explains what happens after the male
birth control procedure called the
vasectomy a tube that is located after
the epidemis known as the vast Defence
is cut so that sperm cells cannot exit
but during male climax secretions from
the prostate seminal glands and bubble
urethal glands are still released and to
the naked eye would pretty much look
identical but under the microscope you
would see that it contains no sperm
cells so again because sperm cells can
be broken down and reabsorbed in the
epidemis if they are not released it
shouldn't be much of a problem but could
there be other potential benefits to
consistent or frequent ejaculation like
a potential reduction in prostate cancer
risk now I can just see all the males
out there getting ready to approach
their significant other and say as
romantically as possible hey it's cancer
risk reduction time so is there any
reason to have more frequent
ejaculations specifically could there be
a potential reduction in the risk of
prostate cancer which affects about one
in eight men during their lifetime and
if there is a risk reduction what is
this potential correlation between
prostate cancer risk and the frequency
of ejaculation well earlier I mentioned
that the prostate produces secretions
that make up part of the ejaculate and
these prostatic secretions help to
protect and nourish the sperm cells but
there is a hypothesis that if there's an
accumulation or a buildup of prostatic
secretions maybe some of this excess
could potentially become carcinogenic
thereby creating more opportunity for
the development of prostate cancer and
this is sometimes referred to as the
prostate stagnation hypothesis now to be
clear there are multiple factors that
contribute to the development of
prostate cancer other than just the
frequency of ejaculation and a possible
prostate stagnation hypothesis but there
are two very interesting studies that I
think most males will think to be quite
positive the first and one of the most
prominent studies in this area followed
about 30,000 men between the ages of 46
and 81 and they looked at their average
number of ejaculations per month when
they were in their young adulthood years
like ages 20 to 29 when they are in
middle age ages 40 to 49 and even in
more their more recent years and what
they found was that a high frequency of
ejaculation correlated with about a 20%
risk reduction in prostate cancer when
compared to the lower frequency of
ejaculation now of course everyone is
probably wondering what's considered
high frequency versus low frequency what
does this mean well high frequency was
21 or more times per month that's quite
the active bunch of individuals whereas
low frequency was about four to seven
times per month another study in
Australia found similar results although
this was a much smaller group of just
over 2300 men but it found that men who
averaged 4.6 to seven times per week
were also less likely to be diagnosed
with prostate cancer before the age of
70 than those that only averaged about
2.3 times per week and this effect
appeared to be the strongest if the high
frequency occurred more in young
adulthood now one last thing I do want
to clarify is that these studies counted
the total number of ejaculations whether
it was intercourse self or nocturnal
emissions and let's be honest no one is
really getting 21 nocturnal emissions or
what we called freebies in my teenage
years they're just not getting 21 of
these per month but nonetheless they
included any freebie or nocturnal
emission in the totals so what should we
do with all the information we've
discussed in this video so far well
first we know we don't have to worry
about buildup of sperm cells because the
body will just reabsorb those on its own
but more importantly what should we do
with this information about prostate
cancer risk does this mean that everyone
should just strive for 21 times a month
or five times per week well there are a
couple of things to consider one this
was a risk reduction for low-risk
prostate cancer this didn't include
higher risk or more aggressive
metastasizing prostate cancers and
although the studies especially the
first study were well done and tried to
account for multiple variables you have
to consider potential errors in
self-reporting from the men recounting
their ejaculation frequency and even
there still just aren't a lot of
research studies in this area so I do
think it is hard to say that just
everyone absolutely needs to strive for
this magic number of 21 I think we still
need more studies and data repeating
these results before we can give a
definitive answer like that but it
definitely doesn't seem like it can hurt
so if you already at 21 or more good for
you if you want to strive for more to
get closer to that 21 good luck in your
journey and let's be honest there can be
many other benefits if some of those 21
come with the help of that special
someone that you just love and adore
with all of your Anatomy so hopefully
you got some fun information and useful
information from today's video thank you
for supporting our Channel if you want
to continue to support the channel like
And subscribe if you already haven't and
I'm a little nervous to see what people
have to say in the comment section but
go ahead and let us know what you think
about the numbers we've discussed today
and of course we'll see you in the next
video
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