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	- Coffee is delicious.
	Butter is delicious.
	But just because two things are delicious,
	does not mean they should be combined.
	Likewise, just because two things are perceived as healthy
	does not mean they should necessarily be combined
	or consumed in large quantities.
	And of course that brings me to bulletproof coffee.
	And in this video, I'm looking at four reasons
	why it's actually really bad for you.
	(xylophone chimes)
	In case you don't know what it is,
	bulletproof coffee is basically coffee
	with at least a tablespoon
	of grass-fed unsalted butter mixed in.
	Now, the original recipe calls for one to two tablespoons
	of a type of oil called MCT oil to be added in
	as well as the butter.
	In fact, your coffee is supposed to be brewed
	from so-called toxin-free upgraded coffee beans
	that are sold by the Bulletproof brand.
	But that's just another rabbit hole
	that we don't want to get stuck down in today.
	All right, so the first reason bulletproof coffee is bad
	is because it provides massive concentrated amounts
	of saturated fat on a regular basis.
	Now, current evidence does show that saturated fat intake
	is not actually a risk factor for heart disease
	when consumed in normal quantities.
	Keep in mind that all of the large population studies
	available looked at people using normal amounts.
	That is, everyday, ordinary amounts like adding butter
	on toast or with scrambled eggs.
	Now, people were never pouring large amounts
	of saturated fat into their coffee.
	They were simply eating it along with other foods.
	Now, for those who subscribe
	to the ancestral nutrition approach,
	humans did not evolve eating or drinking
	such massive amounts of saturate fat.
	We were eating it as part of meals, not as the meal.
	There are plenty of nutrients that are healthy
	when consumed in reasonable amounts.
	But when people start megadosing them
	and eating those nutrients in isolation,
	it can cause serious problems.
	Fructose is the really obvious example.
	Now, it's good when found
	in nutritious fibrous whole fruit, okay?
	But it's a disaster when consumed in concentrated amounts
	from refined sugar like you get in soft drinks.
	It's entirely possible that saturated fat is the same.
	Fine in reasonable amounts but harmful
	when we start adding unnaturally large, concentrated doses
	that are just way outside of our evolutionary norms.
	Number two.
	The fat in butter is much more dangerous
	than fat from other dairy food sources.
	Saturated fat aside, there is another glaring problem
	with consuming large quantities of butter.
	And that is that it does not contain
	what's called milk fat globule membrane, or MFGM.
	MFGM is a protective membrane that encloses the fatty acids
	found in high-fat dairy products, such as cream,
	which in turn seems to reduce
	the cholesterol-raising effects of its fatty acids.
	Now, butter is just cream that has been churned,
	and the churning process destroys much of this membrane.
	The result is that butter can increase
	the amount of LDL particles in your blood stream,
	which are a strong predictor of heart disease.
	Okay, so how do we know that this is indeed fact?
	That dairy fat from butter
	increases heart disease risk factors
	more than dairy fat from other products like cream?
	There's actually been a lot of studies on the topic.
	This recent Swedish trial randomly assigned
	57 overweight men and women to consume
	either 40 grams of milk fat as whipped cream per day
	or 40 grams as butter for an eight-week period.
	They found the LDL particle number of the butter group
	shot up significantly more than the cream group.
	As you can see by this graph,
	it clearly shows that butter, on the right,
	increased the levels of blood cholesterol,
	whereas cream did not.
	Now, there were also significant increases
	to total cholesterol, ApoB levels, and non-HDL cholesterol,
	compared to the cream group.
	Several other randomized control trials also show
	that eating butter fat has worse effects
	on the blood lipo profile
	than other sources of dairy fat with an intact MFGM,
	such as cream or cheese.
	For this reason alone, you should make sure
	that your butter consumption is not excessive.
	And step one is to not put it in your coffee.
	Number three.
	There have been some case reports
	of dramatically elevated cholesterol
	due to bulletproof coffee.
	In case you're still not convinced,
	many people's heart health markers are spiking dramatically
	when they start to drink bulletproof coffee.
	There have been a lot of reports from health professionals,
	even those that advocate a low-carb, high-fat,
	or paleo approach,
	that they've had patients
	with drastically elevated cholesterol levels
	after drinking bulletproof coffee.
	Keep in mind that these changes
	go way beyond total and LDL cholesterol,
	which are not the most accurate as risk factors.
	We're seeing increases in ApoB and LDL particle number,
	which are much stronger and more accurate risk factors.
	Now, although these numbers are still just risk factors,
	given how strong their predictive value is
	for heart disease,
	I think this is a legitimate concern.
	Fortunately, case studies indicate that in those
	who do experience those large spikes in cholesterol levels,
	when they stop drinking bulletproof coffee,
	the levels come down quite quickly.
	Number four.
	You are displacing a highly nutritious meal
	with something that is low in essential nutrients.
	Shifting gears a little bit, but let's have a look
	at what you miss out on by drinking bulletproof coffee,
	because it is typically recommended
	to have it in the morning in place of breakfast,
	which makes sense.
	Because a standard bulletproof coffee
	is over 450 calories and 50 grams of fat,
	which is a meal in itself.
	Now, problem is, it's essentially just fat
	and tiny trace amounts of other nutrients from the butter.
	That's it.
	If you already a nutritious breakfast,
	the obvious downside here is that bulletproof coffee
	only replaces the calories and fat,
	but provides nothing else.
	Now, for example, eating two eggs for breakfast
	has 12 grams of protein and around 20% of the RDA
	for selenium, phosphorus, vitamin B12, vitamin B2,
	vitamin B5, and even some minerals.
	You know, meanwhile bulletproof coffee
	has little to no micronutrients and no protein.
	So if you're used to eating three meals per day,
	then replacing breakfast with a bulletproof coffee
	could potentially reduce
	the total nutrient load of your diet by a third.
	Look, ultimately, it's best to proceed with caution
	when adopting a drastic dietary change
	that has never been tested
	and is way outside of our evolutionary norms.
	It's better to be safe than sorry.
	If you found this video useful,
	we'd really appreciate a thumbs-up.
	And make sure to subscribe
	to the Authority Nutrition YouTube Channel
	by clicking the big red Subscribe button below this video,
	and then you catch all our new videos as they come out.
	(gentle instrumental music)

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話題の「防弾コーヒー」がカラダに悪い4つの理由（4 Reasons Why Bulletproof Coffee Is Bad for You）

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Precious Annie Liao 2017 年 7 月 17 日に公開 Tomomi Shima 翻訳 Shoji Kawahara チェック

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話題の「防弾コーヒー」がカラダに悪い4つの理由（4 Reasons Why Bulletproof Coffee Is Bad for You）

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