harmful effects
Damaging results
Use `harmful effects` to describe the serious negative consequences of a substance, habit, or action.
15秒でわかる
- Describes negative consequences or damage caused by something.
- Commonly used for health, environment, and social habits.
- A balance between medical talk and everyday conversation.
意味
This phrase describes the bad things that happen as a result of an action or substance. It is like saying something has a 'nasty side effect' that hurts your health, the environment, or a situation.
主な例文
3 / 6Discussing a new diet
I'm worried about the harmful effects of skipping breakfast every day.
I'm worried about the damaging results of skipping breakfast every day.
In a science class
The harmful effects of pollution on the local river are clear.
The damaging results of pollution on the local river are clear.
Reading a medicine label
This medication may have harmful effects if taken with alcohol.
This medication may have damaging results if taken with alcohol.
文化的背景
The phrase gained massive traction in the mid-20th century alongside the rise of consumer protection laws. It is deeply tied to the Western 'Right to Know' culture, where companies are legally required to disclose risks. Today, it is a staple in the global conversation about climate change and digital well-being.
The 'Effect' vs 'Affect' Trap
Remember: 'Effect' is the noun (the result), and 'Affect' is the verb (the action). You say 'harmful effects' with an 'E'!
Don't over-dramatize
If you use this for small things like a spilled latte, people might think you are being sarcastic or overly dramatic.
15秒でわかる
- Describes negative consequences or damage caused by something.
- Commonly used for health, environment, and social habits.
- A balance between medical talk and everyday conversation.
What It Means
Harmful effects is a classic way to describe the damage something causes. Think of it as the 'bad news' after an action. If you eat too much sugar, the harmful effects might be a stomachache or a sugar crash. It focuses on the negative consequences that follow a specific cause. It is not just a small mistake. It implies real, lasting damage or injury.
How To Use It
You usually use it when talking about health, nature, or habits. It often follows verbs like 'cause,' 'study,' or 'reduce.' You can say, 'Scientists are studying the harmful effects of plastic.' It sounds smart but is very easy to understand. You can use it in a serious talk or a casual chat about wellness. Just remember that 'effects' is the noun here. Don't mix it up with the verb 'affect'!
When To Use It
Use this when you want to sound clear and objective. It is perfect for a doctor's appointment. It works great when discussing news stories about the environment. You can even use it when giving a friend advice. For example, 'You should quit smoking because of the harmful effects.' It adds a bit of weight to your words. It makes the danger feel real and documented.
When NOT To Use It
Avoid this for very tiny, funny problems. If your cat knocks over a glass of water, don't call it harmful effects. That is too dramatic! Use 'mess' or 'accident' instead. Also, do not use it for people's intentional mean actions. If a friend is rude, they aren't a 'harmful effect.' They are just being a jerk. Keep this phrase for results and consequences, not personalities.
Cultural Background
In English-speaking cultures, we love talking about safety and health. You will see this phrase on every medicine bottle and cleaning product. It became very popular during the environmental movements of the 1970s. People started worrying about what chemicals do to the Earth. Now, it is a standard part of how we discuss 'wellness' and 'self-care.' It reflects a culture that is very focused on long-term consequences.
Common Variations
You might hear people say negative impact or adverse reactions. Adverse reactions is usually for medicine. Negative impact is common in business meetings. If you want to be more casual, you might say bad results. However, harmful effects is the 'Goldilocks' phrase. It is not too scientific, but not too slangy. It fits almost anywhere.
使い方のコツ
This is a neutral-to-formal collocation. It's safe for work, school, and serious personal conversations, but might feel 'heavy' in light-hearted social settings.
The 'Effect' vs 'Affect' Trap
Remember: 'Effect' is the noun (the result), and 'Affect' is the verb (the action). You say 'harmful effects' with an 'E'!
Don't over-dramatize
If you use this for small things like a spilled latte, people might think you are being sarcastic or overly dramatic.
The 'Warning' Culture
In the US and UK, you'll see this phrase on everything from cigarettes to video games. It's the go-to 'legal' word for danger.
例文
6I'm worried about the harmful effects of skipping breakfast every day.
I'm worried about the damaging results of skipping breakfast every day.
Used here to express concern about health habits.
The harmful effects of pollution on the local river are clear.
The damaging results of pollution on the local river are clear.
A standard way to describe environmental damage.
This medication may have harmful effects if taken with alcohol.
This medication may have damaging results if taken with alcohol.
Formal warning found on pharmaceutical packaging.
I'm taking a break from TikTok; the harmful effects on my sleep are real!
I'm taking a break from TikTok; the damaging results on my sleep are real!
Relatable modern use regarding digital health.
Beware the harmful effects of my mom's spicy chili—your tongue might melt!
Beware the damaging results of my mom's spicy chili!
Using a serious phrase for a funny exaggeration.
The harmful effects of that toxic relationship lasted for years.
The damaging results of that toxic relationship lasted for years.
Used to describe emotional or psychological damage.
自分をテスト
Choose the best word to complete the sentence about climate change.
Scientists are working hard to stop the ___ effects of global warming.
Global warming causes damage, so 'harmful' is the only logical choice.
Complete the warning about a computer virus.
This virus can have ___ effects on your computer's hard drive.
A virus causes damage to a computer, making 'harmful effects' the correct collocation.
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ビジュアル学習ツール
Formality of 'Harmful Effects'
Talking to friends about bad habits.
Too much coffee has harmful effects.
The most common way to use it.
The harmful effects of the sun.
Scientific papers or legal warnings.
The harmful effects of the chemical compound.
Where to use 'Harmful Effects'
Doctor's Office
Side effects of pills
Nature Documentary
Pollution in oceans
Parenting
Too much screen time
Skincare
UV rays from the sun
よくある質問
10 問No, you can use it for anything that causes damage. For example, you can talk about the harmful effects of high interest rates on the economy.
No, that is a common spelling mistake. In this phrase, you must use the noun effects with an 'E'.
It is slightly formal, but fine if you are being serious. If you are joking, it sounds funny because it is so serious.
The opposite would be beneficial effects or positive results. These describe things that help you.
Not usually. You wouldn't say 'He is a harmful effect.' You would say 'He has a harmful influence on his friends.'
Yes, but harmful effects sounds more professional and precise. Bad effects is very basic English.
You can say 'The harmful effects of [something] are [description].' For example, 'The harmful effects of smoking are well-known.'
Yes, journalists use it constantly. It is a very popular phrase in reporting on science and the environment.
Yes, harmful consequences is a perfect synonym. It means exactly the same thing.
It is usually plural (effects) because one thing often causes many different types of damage.
関連フレーズ
Adverse reactions
Unwanted results specifically from medicine or chemicals.
Negative impact
A general way to say something had a bad result on a situation.
Side effects
Secondary, usually bad, results of a drug or treatment.
Detrimental consequences
A very formal way to say something caused serious harm.
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