- [Narrator] Okay, I'll just
come right out and say it, being a man is pretty great. I'm fairly strong. I don't have to worry about giving birth and I get to pee standing up, jackpot. But when you take a look under
the hood of the male body, there are quite a few things
that are just downright weird. Ranging from colorblindness
and male menopause, to what's really happening below the belt. It's time for us to learn
a few little known facts about being a man. Oh boy, this one's gonna
be an eye-opener, for sure. (upbeat music) Bigger brains. For centuries, women were
told they weren't equal to men in terms of intellect because
their brains were much smaller than their male counterparts. Over the years, though, women have constantly proven
that they are more than capable of meeting and exceeding those
misogynistic misconceptions. However, in 2014, a scientific review of all studies that analyzed
measurements of the human brain revealed something shocking. Men do in fact, have
larger brains than women. Ranging from about 8% to 13% larger. They also had larger brain
regions associated with memory and spatial awareness. Women on the other hand had larger volumes in areas of the brain dealing
with language and emotions. But here's the thing, there is no established link
between function and size. So bigger definitely does not mean smarter and after all, an elephant's brain is three to four times larger than a human's. And we have yet to see
an elephant score well on a calculus exam. But how can we be sure
that having bigger brains definitely doesn't mean men are smarter? Well, more Darwin Awards. For those who don't know, the Darwin Awards are
honors bestowed on people who accidentally remove themselves
from the human gene pool in the most spectacularly
idiotic ways possible. From fatally jet skiing off Niagara Falls, to taking stupidly extreme selfies. Each winner is just that
much dumber than the last. If you want some grade A examples, check out my Darwin Award series covering the most embarrassing
ways people have died. If you do, you might spot
a pattern in the winners. The vast majority of them are male. And I mean, vast. In 2014, the Darwin Awards were handed out to 318 people and an astonishing
89% of them were men. This indicates men have
less self-preservation and in turn smarts than women. But this kind of recklessness
might've been an advantage at one point in humanity's evolution. Caveman might have displayed dominance by engaging in risky feats,
like taking down large, dangerous prey. This impulsive high risk,
high reward strategy, likely won them mates
and first access to food with their strong
risk-taking genes passed down to the men around us today. And with that being said, next time, any of you boys
try to jump an open drawbridge with a car or play hide
and seek with a bulldozer two very worthy Darwin
Award winners there. Please, just ask yourselves,
"What would the women do?" But making smart decisions
for your health as a man doesn't just mean avoiding
dumb, dangerous situations. It also means checking in with your body to make sure everything's
running as best it can. Now I'm no medical expert, but I do know that reaching tip-top form is way easier with help
from people who are experts like the folks at Hone Health, the sponsors of today's video. Hone has helped me increase muscle mass, decrease pesky post lock down body fat and enrich my life with a
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treatments being delivered directly to my door. 30 million men in the USA
suffer from low testosterone. And most of them aren't
even aware it's responsible for some of the problems they face daily. That issue is accelerating. Previous generations had
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consultation for only $45. Now let's learn some more
about the male body, shall we? Digit development? All right, I need you to do something now. And no it's not hit those
like and subscribe buttons. Well, if you did, that'd be cool too. No, what I want you to
do is lay out your hand on a flat surface and look at the length of your index finger
compared to your ring finger. Now for most women, these will be about the same
length, but for most men, their ring finger will be slightly longer than their index finger. Weird, right? Researchers have discovered that the length of your ring finger
compared to your index finger is correlated to the
amount of male hormones, mainly testosterone, you
were exposed to in the womb. Cool as it is, it's not clear exactly why testosterone has this oddly specific effect. Did men in the past need
those extra few millimeters on their ring fingers for
something in particular, like expertly picking their
nose or scratching their butts? Well, you can put them to use now by hitting those like
and subscribe buttons. All right, where were we? Muscle race. Many women slave away,
endlessly in the gym in the hopes of building
a lean toned body. But some men just lift weights a few times and seem to develop a six pack overnight. I am sadly not one of them, but I'm still keen to know
what the magic ingredient to this fast muscle development is. The answer, testosterone. It's the primary male sex hormone that really starts pumping
around our bodies during puberty. And women produce it too, but not nearly as much
with adult men producing approximately 20 times more
testosterone naturally, than women. It affects parts of the
male bodies development such as muscle mass, because it's partially responsible for muscle protein synthesis. And as you've probably guessed, the more protein you can synthesize, the bigger your muscles are. These synthesis rates are also linked to your body's metabolic rate. So the more testosterone
you have naturally, the easier it is to build
muscle and burn fat. Now you're probably thinking
that having more testosterone makes it easier to build your dream body. At least that's what the meaty
men pumped up on steroids, hogging the weight section
of the gym will tell you. But having too much testosterone,
isn't always a good thing. A balding problem. By the age of 50, about 85% of men have begun balding. Though, some try and save what few strands of hair they have left with a comb-over. But have you ever noticed that
women no matter their age, rarely lose all their hair? Why is that? Well, guys, I have bad
news and worse news. The bad news is that this
is a widespread hereditary condition called androgenetic alopecia, more commonly known as
male pattern baldness. It happens because each strand of hair sits in a tiny cavity called a follicle. And over time, these follicles can shrink, resulting in finer, shorter
and eventually no hair. But if that's the bad news, what's the worse news, I hear you ask. Well, this follicle shrinkage is caused by genetic sensitivity to
dihydrotestosterone or DHT, a by-product of testosterone. This means that for men, the more natural testosterone you have, helping you build muscle and burn fat, the more DHT you're potentially producing, killing off your follicles. And that being said, would
you rather be a skinny twig with a head full of
hair or built like a god with a noggin that looks like an egg? Let me know down in the comments. No pain, no gain. Which do you think hurts more? Giving birth to a baby or being
kicked square in the gonads? It's an age old question that's
guaranteed to start a war between men and women down
in the comment section. While there's no question that giving birth is a much longer and way more impressive ordeal. It's hard to say exactly which hurts worse because all pain is subjective. It's all in the mind. And so it's difficult to directly compare one experience to another. What scientists do know
from their research into human pain tolerances is that women have a much greater nerve
density in their bodies than men, making them more sensitive
to things like pain. One study explained how scientists found an average of 17 nerve
fibers per square centimeter in the facial skin of men, but around double that amount in women. With 34 nerve fibers
per square centimeter. Man, no wonder they hate
tweezing their eyebrows so much. Women also experience
hormone fluctuations, linked to increased pain sensitivity. So, women likely feel more pain than men and feel it way more intensely to boot. This might indicate that
men have a higher tolerance for pain than women, but these studies don't
show any concrete findings. So more research is needed. Regardless, I'm pretty
sure most men are happy never having to find out just how painful pushing a whole baby out of their body is. The perfect body. If social media is anything to go by, the ideal male body is a set
of chiseled abs, big arms, little waist and meaty thighs. The workouts that must take are exhausting just to think about. And it seems like this strong shape has been the standard for male
beauty since well, forever. But it really, really hasn't. Well let's rewind all the
way back to the 1870s. When the ideal male body was
one that was surprisingly, overweight. You heard that right. Being overweight in this age was a sign that you could
afford plenty of food. And so indicated that you were wealthy and what woman back then
didn't want a wealthy husband? Considering women weren't
really allowed any means of supporting themselves. Moving on to the 1930s though, and suddenly being slim was all the rage. This fitting physique
became the common trend as middle-class families were
no longer in fear of starving. And so the wealthier among
them could afford to be fit. Then came the 1960s and long haired, skinny silhouettes surged in popularity. This physique was popularized
by rock stars on the stage who were the embodiment of
anti-corporate mainstream chic. And then in the 1970's and 80's, the widespread use of steroids saw meat mountains like
Arnold Schwarzenegger steal the spotlight. I guess bigger really was better. Today, the roid rage is over and a sort of effortlessly ripped physique is the main trend. Well, I don't know about you, but I'm closer to the 1870s
than I am to the 2020s. We all start as women. Guys, have you ever looked at your chest and wondered why the
heck do I have nipples? Women can use theirs to breastfeed babies. So it doesn't really make sense
for men to have them right? Well, what if I told you
that every human on earth was once female, physically
and phenotypically speaking. You see, we're all born
with a set of chromosomes that determine our sex. For women, that's two X
chromosomes and for men, it's an X and a Y chromosome. When we're first conceived in the womb, the Y chromosome doesn't
kick into our development right away. In fact, the first five or six weeks of embryonic development are influenced by the X chromosome alone. Females grow from an
embryo fully developed from the X chromosome. But after about six weeks,
a gene called the SRY gene activates the Y
chromosome, if it's present and stops female features
from the X chromosome developing further while
kick-starting male development. However, before the SRY gene is activated, certain female features such as nipples will have already developed
on the fetus's body. And that's why we're
all born with nipples. (sighs) I'm glad I finally
got that off my chest. Milk man. Sorry, man milk. We've established that male nipples don't have any kind of function. They're just sort of body decoration. Chest-mass ornaments, if
you'll forgive the pun. Except they're not always useless, it's an uncommon occurrence, but men do have the ability to lactate, which is the scientific
way of saying produce milk. The breast tissue of men
and women contains clusters of alveoli that provide milk in response to a hormone
produced by the pituitary gland called the prolactin. Women naturally produce about
one third more prolactin than men. And during pregnancy, this
increases up to 20 times more. So technically, you
don't need to be pregnant to produce milk, you just need
the right rush of hormones. And these can surge in men,
given the right circumstances. For instance male prison camps
survivors from World War II, who suffered months of starvation began lactating after they
received their first proper meals in months. it turned out their
hormone producing glands rebounded far quicker than their livers, which normally metabolize hormones, resulting in a hormone spike
that caused a lactation. And I thought regular
war stories were bad. Body odor dating. How can you tell if a
man is in a relationship? Maybe he's wearing a wedding band, perhaps you could check his
relationship status on Facebook, or you could give him a big old sniff. That last one may sound weird, but it links back to a scientific
study conducted in 2019. Researchers claimed that
single men on average, have higher levels of testosterone than men who have partners. This is because there's
more sexual competition in single males, stimulating their bodies to
produce more testosterone. Whereas bonded males
don't need to compete, but when it's broken down and
discarded through our sweat, it produces the chemical, androsterone, which has a smell that's
as pungent as urine. So the more testosterone you produce and break down, the smellier you are. Researchers tested this hypothesis in an 82 person study, and the results showed that
single heterosexual men did smell stronger than the
partnered men was strong. With strong BO indicating a
man has more testosterone, it's likely they have some other effects of high testosterone production as well, such as more muscle mass
and better mating potential. This has led researchers
to theorize that BO works as a chemical signal that women pick up, supposedly helping them
identify single males and avoiding partnered ones. Although an alternative
hypothesis is that single males have worse BO because they
have bad hygiene practices. I know a few single basement dwellers who would definitely confirm that theory. The male perspective. Did you know that men and
women see things differently? And I'm not talking about
asking for directions. You see, men have about 25%
more testosterone receptors in their visual cortex. The part of the brain where
images are processed than women. As a result, men are better
at perceiving changes in brightness across a
space in front of them. Meaning they're significantly better at detecting fine detail
and rapidly moving stimuli. According to the hunter gatherer
theory of human evolution, this would have helped them
detect predators and prey more easily while out hunting. Women, however, are better
at distinguishing colors in the very middle of the visual spectrum. Mainly shades such as blue and green. This is because our color vision depends on three types of
cones in the retina of the eye. Two of these are carried
on the X chromosome. So with more X chromosomes, women end up with better cone development and better color vision. In the hunter gatherer theory. this would have made women
better at gathering tasks, such as distinguishing which
berries were safe to eat. Wow, I guess the grass really is greener on the women's side. Brilliant beards. Have you ever tried to grow a beard? If so, chances are, you're a man. Well, it's not impossible for women to naturally sport hairy chins, men are more likely to grow long, thick, dark hair across their faces. This is because everyone's born
with light soft vellus hairs that cover most of their bodies. When puberty hits, we begin producing
hormones called androgens, which stimulate vellus
hairs to coarsen and darken in hormone sensitive
areas, such as our armpits and nether regions, because men typically have
higher levels of androgens. It stimulates more body
and facial hair to sprout, but why exactly does it grow on our faces? Well, there is a weak link to
beards and perceived dominance because beards have the ability to make our jaws appear
larger than it really is. Any burly looking, man, who's shaved off a few months of growth only to reveal the baby face beneath will know what I'm talking about. Some studies indicate we
see beards as being linked to older, stronger and
more dominant characters. However, having a beard
isn't neatly linked to having more testosterone, greater muscle mass or strength. So the verdict is still out on that one. What we do know is, at
some point in history, women chose men who had beards, which is why the furry facial feature has been genetically passed
down to many men today. Well, I don't know about you,
but I'm never shaving again. Digestion differences. At a guess, how long
do you reckon it takes for the food you eat to travel all the way through your digestive
system and out the other end? Some of you may know from experience. If corn is anything to go by, that it generally ranges
from 24 to 72 hours. But what you might not know is, that time also depends on
if you're male or female. You see, a study from 2019
marked the time it took 21 healthy people to digest the same food. On average, men took 33
hours to digest their food. Whereas women took almost
half a day more at 47 hours. Now this is just one study. So we can't say this is true
for every man, woman and child. But we do know that
when it comes to colons, the longest part of the large intestine, men actually have much
shorter ones than women. Longer, slower emptying colons means women are almost twice
as likely to experience colonic issues in their lifetime
from chronic constipation to the urgent need for a bowel movement. This means that the
average man has shorter sit down bathroom breaks
while women generally, need a little more time to deal
with their chronic colonics. Hit the gas. So we've established that on average, men are naturally bigger
and stronger than women, but when it comes to the realm
of farts (fart sound effect) it's men who are the weaklings,
how is that possible? Well, flatulence occurs when
the good microbes in our gut ferment undigested food,
producing hydrogen sulfide. It's this chemical that gives our tutes some seriously nose
pinching, odors, you know, the type that smell like
rotten eggs, (farts) but professional flatulence researchers, which is somehow a genuine job title, went sniffing for more information. In one study, they measured the amount of smelly sulfur released by men and women, who've been fed the same diet
of Pinto beans and laxatives. Tasty. The data collected during
the study found that the men had an average
sulfur concentration of 0.5, nine milliliters per fart. Whereas women almost tripled that, with an average of 1.77 milliliters. That meant that the
standard male, butt murmur wasn't nearly as noxious
as the female fart, but why exactly do women have
worse smelling wind than men? Well, that's currently up for debate. Some believes that the increased
length of the female colon gives food more time to ferment or that they may have more
microbes in their gut. Whatever the reason is, next time you're looking for who dealt it, be sure to look towards
the lady in the room. Height of fashion. It's no secret that men are
on average, taller than women. Thanks to many genetic hormonal
and evolutionary factors. But what you might not
know is that in the 1600's, the average European
male hit an all-time low of just five feet, four inches, which forced an incredible innovation. Was it stilts, step ladders,
maybe booster seats? Nope. It was in fact high heels. They can be traced back
to 15th century Persia when soldiers wore them
to help secure their feet in stirrups. Persian migrants brought
the trend to Europe where male aristocrats
wore them to appear taller and more formidable. In 1673 King Louis, the 14th of France, introduced a set of shoes with red heels and soles to the French court. And then, so they became
a male fashion must have for around 100 years. In those times, women were slowly adopting masculine fashions. Like trimming their hair
short and wearing hats. So they too started wearing high heels. And since then they've become
a feminine fashion statement. Still, it's pretty funny to think that if it weren't for women adopting them, high heels might've been seen
as a massively masculine thing to wear today, now there's
a bodybuilding show, I'd pay to watch. Adam's apples. Some are so big, they're
difficult not to stare at, whereas others are so small,
you barely notice them. Know what I mean? No, get
your head out of the gutter. I'm talking about Adam's apples. Both men and women have them, but men's are generally
bulkier and more noticeable. Why is that? Well, this throaty feature is actually, a chunk of cartilage
wrapped around the larynx also known as the voice box, which develops during puberty. Men tend to have larger
voice boxes than women. And so the cartilage coating
them is usually thicker. And because of their larger larynxes, males tend to have deeper,
louder voices than females. But from an evolutionary standpoint, why would they need to be louder? Well, it's believed men
once used their voices to intimidate male rivals
because we're social creatures, men likely tried to scare other males away from their resources and females without resorting to violence. As that move poses a risk to them as well. It's similar to what we
see in gorillas where males will pound their
chests and growl at rivals to frighten them off. Instead of launching into an
immediate much riskier attack. I hope this means that
men are a little smarter than the average ape. Menopause for him. As women get older, they usually hit an age between 40 and 50 where their hormones suddenly change. Their body's production
of female sex hormones, estrogen and progestogen drops, transitioning them naturally, into a state where they can
no longer have children. This hormone fluctuation
called menopause triggers mood swings, hot flushes body changes, and is often the butt of many jokes. - My mom's ancient and
grappling with the onset of menopause. - Go to your room. - And guys might find this funny until they learn that
women aren't the only ones that suffer from menopause also known as irritable male syndrome. Male menopause generally
starts to affect men in their 30's and 40's. Just like women, their bodies
naturally stop producing certain sex hormones,
most notably testosterone, but instead of stopping suddenly, men stopped producing
testosterone incrementally, dropping up to 2% each year. Eventually it all adds up and combined with lifestyle choices, like a poor diet and lack of exercise., this can result in weight,
gain, mood swings, irritability, and even hot flushes. Unlike female menopause though, male menopause doesn't affect fertility, although there's no better contraceptive than being a crotchety old man. The auto-meerkat. All right, it's time we talk about the
trouser snake in the room, but to prevent this topic from setting off every last one of YouTube's
take down algorithms, I'm gonna use some
slightly fluffier language to explain it all. Now, any man will tell you
that getting a trouser tent, isn't something they
have much control over. Women may think that's just an excuse, but it genuinely is an automatic response caused by the body's
parasympathetic nervous system. This is the same bodily system that makes you physically
react to certain stimuli like goosebumps or shivers. Want proof? Well, when they're asleep at night, men tend to pitch a tent,
three to five times on average, but why does this happen
so often when you sleep? Well, this is called nocturnal
penile tumescence or NPT. A sheet raising phenomenon
linked to the deepest phase of the sleep cycle known as
rapid eye movement or REM sleep. REM is the type of deep
sleep where you dream, but it's not racy dreams that trigger this super stiff phenomenon. When a man's a meerkat is on the lookout. His meerkat fills with
blood becoming rigid. Usually a neurotransmitter
in the brain called norepinephrine can prevent the meerkat popping up by stopping the
flow of blood to the meerkat. But during REM sleep,
norepinephrine levels drop resulting in a few meerkats. Oh man, I'm never gonna be
able to watch "The Lion King," the same way ever again. Well, I've definitely
learned a thing or two, which of these weird facts
shocked you the most? Let me know down in the comments below and thanks for watching. (upbeat music)
