Warning: Obesity kills 4 million people every year —Are you ready to make a change?
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Warning: Obesity kills 4 million people every year —Are you ready to make a change?

March 9, 2020

– This is the time for a healthy life with the ones that you love. Hello, welcome to your
favorite YouTube channel. My name is Dr. Derek
Liao and in this channel we review different
topics like diet, fitness, health and diseases with
the medical information available in an easy way so
anybody can learn from it. If you haven’t subscribed to this channel please subscribe so you
don’t miss any videos. And also give a like so
you can show your support. In today’s video we are
going to review why the obesity epidemic is killing
one country every year. Also, we are going to review
what is the body mass index. Also, we are going to review the morbidity and mortality associated with it. And something called the obesity paradox. And finally we are going
to discuss different steps that you can do to overcome the obesity. But, what is the body mass index? Actually it’s a tool
that we use in medicine, to classify a person if he’s underweight, normal weight, overweight or obese. But how do we calculate it? Well, we need the weight
of a person in kilograms. We divide it between the
square of the height in meters. If the result is less than 18.5 then the person is
classified as underweight. If it’s between 18.5 and 24.9
then it is normal weight. If it’s 25 to 29.9 then it’s
classified as overweight. And if it’s 30 or above he is obese. Okay, let’s make a simple example. Let’s imagine that we are or that we have a weight of 70 kilograms and we divide it between our height that
is like 1.8 meters. So, let’s do the calculation. Look for your calculator. 70 divided by the square of 1.8 meters is equal to 21.6 kilograms
per square meter. So, that means that we
are normal weight, yes. In 2017, the New England
Journal of Medicine published a study about
health effects of overweight and obesity in 195
countries over 25 years. This study was huge. It involved 68.5 million people. That’s more than all the population of the United Kingdom together. Can you imagine that? So, this study was very powerful. This study brought us
some interesting facts. First, which country do you think that has the highest prevalence of adult obesity? Well, actually it is
Egypt with 35.3% of the adult population being obese. And the lowest is actually
Vietnam with 1.6%. What about the children? Well, United States is the country with the highest population
of obese children with 12.7%. And Bangladesh is the
lowest one with 1.2%. Also, in 2015 this study estimated
that 107 million children around the world were obese. That’s more than combining together the population of Spain and Italy. Also, they estimated
that 603 million people around the world were adult obese. That’s more than all the
population of United States, Canada, Russia and Germany together. That’s insane. This study also estimated that in 2015, 4 million people died because of a death related to obesity. The leading cause was
cardiovascular disease. The second one was diabetes. Do you know, 4 million people? That’s almost the entire
population of my country Panama. Can you imagine one
country dying every year for something that is preventable? That’s insane. If this study is not enough for you, in 2016 the British
Medical Journal published another study with 30 million people and the results were similar. But what about if we are not obese? If we are only overweight? Well, The Lancet published in 2009 an interesting study that
shows that the lowest mortality between man and woman was with a body max index between 22.5 to 25. Also, it shows that for
every five kilograms per square meter there was
an increase of about 30% in the mortality. That’s insane. Between the body mass index of 30 to 35, your life expectancy
was going to be reduced two to four years. And between the body
mass index of 40 to 45, your life expectancy
was going to be reduced 8 to 10 years. Can you imagine losing 8
to 10 years of your life just because you suffer
something that you can prevent? Let’s make an exercise. Let’s imagine that we are obese And we go to the doctor
for a routine checkup. He takes us our blood
pressure and it’s fine. We make some blood samples, blood sugar levels are normal, cholesterol, triglycerides
are normal and we feel fine. You know what does that mean? That means that we are metabolically
healthy obese patients. That’s what we call it, but does that mean that we don’t have any worries for any disease in the future? Actually no. In 2013, it was published in
Annals of Internal Medicine an interesting study that
compared metabolically healthy obese patients with metabolically healthy normal weight patients
and what they found is that in a 10 year follow-up
there was an increase in the mortality. They also studied metabolically
healthy overweight patients versus metabolically healthy
normal weight patients. But in this case there was no increase in the mortality in a 10 year follow-up. Now, it’s time to talk
about the obesity paradox. Well, we have seen that obesity is related with an increase in the
mortality and we are going to see that it’s also related
with a lot of diseases. But in some cases it has
been shown to actually have a better prognosis
for somebody that has it. Well, these are certain kind of cases like if you have an established disease like cardiovascular disease
or chronic kidney disease in its end stage or maybe
you’re infected with HIV, in those cases it has been
shown to be protective. But I have to point out
that it’s an excess weight like if you are overweight
or Grade 1 obese, that is 30 to 35 kilograms
per square meter, it have shown some protection. But more than that, like
more than 35 kilograms per square meter, no. Some explanation for this are that maybe sicker patients are thinner,
also that body mass index doesn’t distinguish between
fat tissue and muscle mass. And also it could be that
if somebody’s acutely ill and can have any calorie
intake, he can not eat, this excess weight might be
protective in those scenarios. What about that morbidity? Well, obesity has surpassed
smoking as the number one cause of preventable
disease and disability. It is related with 230
comorbidities and complications that most of them will
improve with weight loss. Some diseases related to
obesity are the following Diabetes mellitus, type
2 diabetes mellitus is strongly associated with
obesity in all ethnic groups. In fact 80% of the type
2 diabetes mellitus can be attribute to obesity. Also, weight loss can decrease the risk of type 2 diabetes mellitus. Dyslipidemia, hypertension. In fact, the risk of
hypertension increases if you have upper and abdominal fat. Also, weight loss is
associated with a decrease in the blood pressure. Other diseases associated are also stroke, venous thrombosis, coronary heart disease, atrial fibrillation. Osteoarthritis, gout,
depression, respiratory problems like sleep apnea, chronic
kidney disease, kidney stones, urinary incontinence,
gastroesophageal reflux disease and different kind of cancer. In fact, in 2014 in the United States, 40% of the cancers were associated to overweight and obesity. Cancers like ovarian
cancer, endometrial cancer, multiple myeloma,
meningioma, breast cancer, colorectal cancer, gastric cancer, kidney cancer, prostate cancer. Now that we know all of
this, what can we do? First of all, we have to go to our doctor. Make a plan with him for losing weight. What can we do after that? Well, we need a plan, diet. First of all is diet. Second, exercise if you can do it. Third, behavioral therapy, it might help. Fourth, maybe if the three
previous ones didn’t work, maybe your doctor is going
to prescribe you a medication or depending on your body
mass index you could be a candidate for bariatric surgery. All of the previous ones we are going to review in another video, okay, so don’t worry. Awesome, we did it, and
what did we learn today? Well, we learned how to
calculate the body mass index and we learned that it
will help us to classify if we are underweight, normal
weight, overweight or obese. We now know that overweight
and obesity is related with a lot of diseases and
increase our rate of mortality. Also, we have learned that
cardiovascular disease and diabetes mellitus are
the leading cause of death related to obesity. And actually it can decrease
our life expectancy. If you are 30 to 35, two to four years. And if you are 40 to 45
kilograms per square meter, it can decrease your life
expectancy eight to 10 years. Another interesting
fact is that if we lose weight all of this can improve. If you or somebody that you
know is overweight or obese, well, now is the time to make a change and start losing weight. And if you have tried before
and haven’t achieved it, well, it’s never too late. Now, you have been
empowered with knowledge. This time it’s going to be different. This is the time for a healthy life with the ones that you love. Thanks for your time. What did you think about the video? Did you like it? Do you want another video? If so, please help our community to grow. You can make any of the followings
or all of them if you want. First, please subscribe. Click the notification bell so
you don’t miss any new video. Also, give a like to this
video to show your support. Comment please if you know
somebody or if you are overweight or obese and if that’s actually affecting your life. And lastly but not the least,
please share this video with 100 people. Nah, just kidding. Please share this video
with at least 7 people so we can change their lives, too. Before leaving, I want to
thank Nick-Andrew Marc. He is my first subscriber even though this is my first video. Thanks, Nick. And also, thanks everybody
for watching this video. Don’t forget to subscribe. Give a like to this video. Well, have a good day and see you later. Bye bye.

Only registered users can comment.

  1. Came after I saw your comment on Dr.Mike video ❤ and this was definitely worth the watch💯 continue making videos doc ✌

  2. Ah, so structured information! Thank u. But im very bad in calculating. Not sure how to make 1.5 meters in square meters. Help me please:)

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