Iron deficiency causes tiredness.

Meaning: Not having enough iron can make you feel tired and weak.

Choice of Words: Iron is a chemical element with the symbol Fe. Deficiency means a lack of something necessary. Causes means to make something happen. Tiredness means feeling very sleepy or exhausted.

Alternative Expressions

Lack of iron leads to feeling worn out.

Meaning: This means the same as the first sentence. It says that if you don't have enough iron in your body, it can make you feel very tired.

Choice of Words: **Lack of iron** means not having enough iron in your body. **Leads to** means causes something to happen. **Feeling worn out** means feeling very tired or exhausted.

When your body doesn't have enough iron, it can make you tired.

Meaning: This sentence also means the same as the first two. It says that if you don't have enough iron in your body, it can make you feel tired.

Choice of Words: **When your body doesn't have enough iron** means when you don't have enough iron in your body. **Can make you tired** means it's possible that you will feel tired.

Related Expressions