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The Minimum Health Knowledge You Need to Know in Your Forties
The Minimum Health Knowledge You Need to Know in Your Forties
Description
Book Introduction
'Is my health okay now?'

To reduce the rapidly widening health gap after age 40,
You need to do at least some health education!


From disease prevention to diet, mental health management, and health check-up explanations.
A health education class where the best industrial doctors and internists share the essentials.

There is a Japanese proverb that says, "Once it passes your throat, you forget the heat."
It means that humans are creatures who forget any pain or suffering as time passes.
When you get sick and suffer, you realize the importance of health, but when you recover, you quickly forget about it as if it never happened.
However, health is not something to be complacent about just because you are still young and have regained your health.
Moreover, as physiological aging accelerates and the risk of disease increases after the age of forty, you need to take more active care of your body.
Neither the company nor anyone else is responsible for your health.


The author, a leading industrial physician and internal medicine specialist in Japan, has worked in emergency medical settings and has encountered many patients and their families who have lost their health and regretted their actions due to misinformation and indifference.
There have been many unfortunate situations caused by ignorance and neglect, such as patients who come to the hospital with cancer that has spread throughout their body after relying on unfounded folk remedies, or patients who are brought to the emergency room with myocardial infarction or cerebral hemorrhage due to lifestyle-related diseases not being properly treated.
The author, who believed that 'the mission of a doctor is to prevent disease,' opened the YouTube channel 'Preventive Medicine Channel' to share medical information with the aim of preventing such patients from coming back. As a result, it has surpassed 1 million subscribers (combined in Korea and Japan), gaining great trust as the best health channel.

In this book, the author emphasizes preventive medicine as an essential knowledge and discipline in a super-aging society, and introduces 74 preventive medicine guidelines and habits that will not only help you in your present life, but also help you and your family in the future.
We've carefully selected only the latest medical, academic, and statistical information, and written it in an easy-to-understand, practical way for anyone to understand and put into practice.
New common sense that overturns existing common sense is also presented.
The practical knowledge presented in this book will become a lifelong weapon that will protect you and your precious family until the day you die.
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index
Anyone over the age of forty can get sick.
Prologue: Three Perspectives on Disease

Chapter 1: Health Strategies for the 100-Year Life Era


01 Health is the greatest asset.
Don't work so hard that you shorten your life!
02 How is your health literacy?
Health must be maintained while one is healthy.
03 Roadmap to a Healthy Centenarian Life
A minimum of health education is required.

Chapter 2 Don't miss the signals your blood, urine, and organs are sending you!


04 Basic Blood Pressure Knowledge You Must Know
High blood pressure, which can lead to heart attack and kidney disease
05 Hypertension Standards Changed by Global Analysis
Keep your systolic blood pressure below 120 mmHg.
06 Glycated hemoglobin should be maintained below 5.6%
Pre-diabetes is as dangerous as diabetes
07 If your LDL cholesterol level is 160 mg/dL or higher
The risk of heart disease increases by 2.6 times
08 Keep uric acid levels below 7 mg/dL
How to avoid gout and ureteral stones
09 Two Points for Early Detection of Kidney Disease
Test urine protein and GFR together
10 Fatty liver disease that can develop into liver cancer if it gets worse
Find hidden fatty liver
11 Anemia is a disease that should never be taken lightly.
If you can't stop the loss of iron, you'll get anemia.
What if chronic fatigue persists even after 12 hours of sleep?
Three Hormone Levels That Can Help Spot Fake Depression
13 Not recommended in the United States
Brain examination performed only in Japan

Chapter 3: New Common Sense Helping Prevent and Detect Cancer Early

14 Essential Cancer Knowledge
Cancers are classified into three types
15 Preventable Cancers ① Stomach Cancer
Helicobacter pylori testing is the key to prevention.
16 Preventable Cancers ② Liver Cancer
Lifelong peace of mind with hepatitis virus testing
17 Preventable Cancers ③ Cervical Cancer
Get vaccinated against HPV before age 45
18 Cancers that can be detected early ① Stomach cancer
Two reasons to recommend a gastroscopy
19 Cancers that can be detected early ② Colon cancer
Colonoscopy is performed once every 10 years.
20 Cancers that can be detected early ③ Breast cancer
If you do mammography and ultrasound examination together
21 Cancers that can be detected early ④ Lung cancer
Three effective tests for lung cancer, the leading cause of death.
22 Cancers that can be detected early ⑤ Prostate cancer
The Two Sides of PSA Testing You Must Know
23 Cancers that are impossible to prevent and detect early ① Pancreatic cancer
Early symptoms of pancreatic cancer, also known as the "silent killer."
24 Cancers that cannot be prevented or detected early ② Esophageal cancer, pharynx cancer
Diseases that come from drinking and smoking
25 Cancers that are impossible to prevent and detect early ③ Bladder cancer
Blood in the urine in smokers is a strong clue to bladder cancer.
26 Danger Signs You Should Never Miss
Three common early symptoms of cancer
27 Options for Cancer Diagnosis
Tumor marker tests are meaningless
28 If I get X-rays too often, will I get cancer?
Radiation Exposure in Numbers
29 Until what age should I get cancer screening?
Why we use 75 as the benchmark

Chapter 4: The Best Diet for Extending Your Healthy Lifespan


30 Effective for diet, depression, and diabetes
The Mediterranean diet is the ultimate diet
31 The effect is good, but watch out for rebounds!
Pros and Cons of a Low-Carb Diet
32 The Right Way to Drink Alcohol
Moderate drinking, not risky drinking
33 Scientifically Proven Foods That Are Harmful to Your Body
Avoid ham, bacon, and sausages, which contain carcinogens.
34 Shortcuts to High Blood Pressure and Weight Gain
Eating too many potatoes shortens your lifespan?
35 Already banned from sale overseas
You shouldn't eat margarine anymore
36 Reduces the risk of diabetes, cancer, and high blood pressure
Surprisingly good drinks: coffee and tea
37 To control cholesterol and prevent heart disease
Drink green tea and oolong tea every day
38 The risk of developing esophageal cancer increases eightfold.
Be careful of hot tea
39 Sugary Drinks You Shouldn't Drink
Canned coffee and energy drinks are ruining your body.
40 Excellent for controlling blood pressure and cholesterol
Afternoon snack: dark chocolate and nuts
41 Is eating out or eating at convenience stores bad for your health?
Why You Don't Need to Worry About Food Additives
42 Scientific Evidence on Artificial Sweeteners
Are artificial sweeteners better for you than sugar?
43 Be careful about your intake and cholesterol!
Are eggs good or bad for your health?
44 Inconvenient Truths About Milk
People at high risk for prostate cancer should be careful about milk.
45 Prevents male aging
Soybeans are good for preventing benign prostatic hyperplasia
46 There are separate nutritional supplements that protect our bodies.
Trusted Supplements: Omega-3 Fatty Acids and Folic Acid
47 Best Eating Habits to Extend Your Lifespan
Think about your meals holistically

Chapter 5: Scientific Lifestyle Habits to Avoid Getting Sick


48 Binge Eating That Reduces Lifespan
Beware of 'blood sugar spikes', a hidden form of diabetes.
49 Checkups are essential, management is a way of life
Gum disease, which can be taken lightly and can cause fatal diseases
50 The longer you sit, the shorter your lifespan.
The Amazing Effects of Leg Shaking
51 Not exercising after age 40 is detrimental to your health.
The goal is to walk 8,000 steps a day at a brisk pace.
52 What if I'm not fat but have high cholesterol?
Dyslipidemia and diabetes, which are easily inherited
53 Not enough sleep is a problem, but too much sleep is also a problem.
The ideal amount of sleep is 7 hours a day.
54 If you have hearing loss or few friends, be careful!
12 Ways to Prevent Dementia
55 Are saunas really good for your health?
The Two Faces of Kidney-Damaging Saunas
56 Secrets to Successful Smoking Cessation
Change your mindset to think, 'Smoking is also a disease'
57 The Risk of Osteoporosis, Which Reduces Healthy Lifespan
The more you do it, the more you realize the power of great sunlight.
58 A little-known vaccination despite its many benefits
Two Vaccines That Can Help Seniors
59 It is mild for the general public, but it is fatal for pregnant women.
Rubella, which carries the risk of deformities
60 Beware of Vitamin C and Antibiotic Abuse!
Two Points to Consider for Identifying an Incompetent Doctor
61 The will to continue something consistently is important.
Three Secrets to Maintaining Good Lifestyle Habits

Chapter 6: Mental Health Tips for Living Your Life Your Way


62 If you ever wonder, 'Am I depressed?'
The True Value of Depression Tests in Preventing Suicide
63 How to Protect Your Mental Health ①
Responsible and unaccountable thinking
64 How to Protect Your Mental Health ②
Consciously strengthen your sense of contribution
65 Life is a marathon, stress management is essential
Fatigue shortens lifespan
66 How to Avoid Stress in a Remote Work Environment
Accepting the differences in each individual's work environment
67 Trying hard with a sick body is the worst cost-effective way to do it.
Beware of presentism
68 Effective for depression, high blood pressure, and back pain
The Power of Mindfulness

Chapter 7: Preventive Medicine After Illness


69 The mindset you need after forty
Be prepared to get sick
70 If you have diabetes and kidney disease
Beware of sarcopenic obesity
71 What if I am diagnosed with kidney failure?
The secret to maintaining a low-salt diet
72 If you have ureteral stones, a synonym for terrible pain
Make sure to get enough calcium and citric acid
73 If you have cancer or an incurable disease
Let's find a friend to fight the disease together.
Lessons from the 74th disease
A healthy daily life is a blessing

I hope that more people will be able to say at the end of their lives that they lived a happy life.

Endnote 1: Required Checkups and Vaccinations by Age Group
Postscript 2 15 Symptoms That Require Immediate Visit to the Hospital After Age 40
Postscript 3: Three Secrets to Selecting the Right Medical Information

Detailed image
Detailed Image 1

Into the book
In a world where human lifespans are increasing, managing one's health after age 40 is an important life task.
Especially when you are sick, if you do not actively deal with it and just leave it alone, you may face an irreversible situation.
You may have to spend half your life lying down or living with limited mobility.
This is why you should consistently manage your health through preventive medicine knowledge.

--- p.32

Since high blood pressure is a disease that everyone experiences as they age, people tend to take it lightly even when diagnosed with high blood pressure, but that is absolutely not the case.
People with high blood pressure live each day like a ticking time bomb.
If high blood pressure is left untreated, the pressure in the blood vessels damages the blood vessel walls and arteriosclerosis progresses.
The risk of developing life-threatening serious diseases such as myocardial infarction, cerebral hemorrhage, aortic dissection, and aortic aneurysm rupture increases, and kidney function also declines.
In this way, high blood pressure is a scary lifestyle disease that causes various serious diseases.
--- p.45

The immune cells in our body monitor themselves for external invasion and immediately eliminate cancer cells when they are discovered.
However, as we age, these defenses decline, allowing cancer cells to exploit gaps in our defenses and proliferate.
Cancer often occurs around the age of 40 due to lifestyle habits that increase the risk of cancer, such as smoking and drinking, as well as a decline in immunity that comes with aging.

--- p.93

It may seem surprising, but hot drinks are not good for your health.
Because it is related to esophageal cancer.
A cancer study was conducted on people in Golestan Province in northeastern Iran who had a habit of drinking hot tea.
As a result, the higher the temperature of the tea you usually drink, the higher the risk of developing esophageal cancer, and it was found that people who drink hot tea over 70 degrees have an 8 times higher incidence of esophageal cancer than people who drink lukewarm tea below 65 degrees.

--- p.194

Knowledge about proper lifestyle habits is meaningless if it only ends with knowledge.
Even if it's something small, the most important thing is to practice it consistently.
Even small habits, such as taking a walk around the house or reducing your sitting time by five minutes, will accumulate into great health assets if you continue them consistently.

--- p.285

The disease that middle-aged and older people need to be most careful about when it comes to muscles is 'sarcopenia obesity (hidden obesity).'
This refers to a condition in which muscle mass decreases and fat mass increases.
It is the worst body type when it comes to preventing various chronic diseases that increase after middle age.
It is especially bad from the perspective of preventing diabetes.
This is because fat inhibits the secretion of insulin, which lowers blood sugar levels.
In other words, the more fat you have, the greater your risk of developing diabetes.
--- p.319

Publisher's Review
People in their 40s are concerned not only about their own health but also about their parents' health.
A generation to worry about
Protect your body with the correct knowledge of the human body's mechanisms!


As we approach our forties, health becomes a frequent topic of conversation.
It starts with the results of a health checkup, caring for sick parents, or a story about an acquaintance who suddenly developed cancer, and continues to share information such as, "I heard that eating OO is good for your health," or "OO nutritional supplements are popular."
Even so, it is quite rare for people to receive treatment or change their lifestyle habits as recommended in the medical examination results.
Most people ignore the situation, thinking, "It's probably okay for now," because they are busy or because there are no immediate symptoms.

The greatest poisons to health are ignorance and indifference.
As we reach the age of forty, a turning point in our health, we must prepare for disease prevention, early detection, and rehabilitation for treatment with a sense of crisis.
Health is never just a given.
This book teaches you how to protect your body with correct knowledge of the human body's mechanisms.
There is a lot of useful information that will be helpful not only to middle-aged and older people, but also to the parent generation.
It also delves into how to extend your "healthy lifespan," which becomes increasingly important as you age, as well as the proper lifestyle and eating habits to achieve this.
This is a good health education book for children in their 40s and their parents preparing for old age to read together.


A weapon that will be yours for life until you die
74 Preventive Medicine Guidelines and Habits


This book consists of a total of 7 chapters.
First, Chapter 1 comprehensively covers strategies for protecting "health," the greatest asset in the 100-year lifespan. Chapter 2 explores health checkups, which serve as basic data for assessing your current physical condition.
It covers how to detect abnormal signs in our body, how to interpret the results, and important points to know when taking various tests.
Chapter 3 provides new common sense that will help prevent and detect cancer early, something people fear, and how to win the war against cancer.
Chapters 4 and 5 carefully introduce healthy eating and lifestyle habits based on scientific data, and Chapter 6 focuses on mental health, introducing ways to maintain a healthy mind and quickly responding to signs of mental health abnormalities.
As life gets longer, there will be more enjoyable things, but there will also be more difficult things.
It would be helpful to know about a healthy mind that can overcome ups and downs.
The last seven chapters cover coping strategies and mindsets to maintain after becoming ill to prevent the illness from worsening.
In addition, the appendix, such as ‘15 symptoms that require immediate hospital visit after age 40’ and ‘Essential checkups and vaccinations by age group’, is also helpful information to know.
For all diseases, 'prevention is the best cure'.
The most certain cure is not to get sick.
If you want to live a healthy and happy life, let's consistently manage our health as an asset through the preventive medicine knowledge introduced in this book.

Amazon reviews rave about this book

★★★★★
“It’s not a book you read and put away, but a magical book that changes your behavior.”

★★★★★
“I now know how to close the health gap that occurs after 40!”
GOODS SPECIFICS
- Date of issue: June 10, 2025
- Page count, weight, size: 352 pages | 466g | 145*210*17mm
- ISBN13: 9791198553331
- ISBN10: 1198553332

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