Understanding the Lymphatic System and the Causes of Lymphoedema
了解淋巴系統與淋巴水腫的成因
Introduction
The lymphatic system is a one-way network of vessels that is essential for maintaining fluid balance, supporting the immune system, and transporting fats.
淋巴系統是一個單向的血管網絡，對於維持體液平衡、支持免疫系統以及運輸脂肪至關重要。
Main Body
The lymphatic system consists of vessels that carry lymph—a clear fluid containing white blood cells—from the body's tissues back into the bloodstream. This system performs three main tasks: it prevents swelling by draining excess fluid, identifies and destroys harmful bacteria or cancer cells, and absorbs fats from the diet.
淋巴系統由血管組成，負責將淋巴液（一種含有白血球的透明液體）從身體組織運回血液中。這個系統執行三項主要任務：透過排出多餘液體來防止腫脹、識別並消滅有害細菌或癌細胞，以及吸收飲食中的脂肪。
When this system fails to work correctly, it leads to lymphoedema, which is swelling usually found in the arms or legs. There are two main types of this condition. Primary lymphoedema is caused by genetic problems or birth defects that affect the number or efficiency of the vessels. In contrast, secondary lymphoedema is caused by external factors, such as surgery or radiation therapy used to treat cancer, which can damage the lymph nodes.
當這個系統無法正常運作時，會導致淋巴水腫，這通常表現為手臂或腿部腫脹。這種情況主要分為兩類。原發性淋巴水腫是由基因問題或先天缺陷引起，影響了血管的數量或效率。相比之下，繼發性淋巴水腫是由外部因素引起，例如用於治療癌症的手術或放射治療，可能會損壞淋巴結。
To diagnose this condition, a general practitioner usually performs an initial check, followed by a specialized imaging test. Treatment requires a combined approach. For example, compression bandages or stockings are used to move fluid and soften the skin. Furthermore, physical exercise helps push lymph through the body, and careful skincare is necessary to prevent bacterial infections. While some patients use manual lymphatic drainage, experts emphasize that this method is not very effective if used alone, and there is little evidence that it provides cosmetic benefits for the skin.
要診斷這種情況，一般行醫者通常會先進行初步檢查，隨後進行專門的影像測試。治療需要採取綜合方法。例如，使用壓力繃帶或壓力襪來移動液體並軟化皮膚。此外，身體運動有助於淋巴液在體內流動，且必須細心護膚以防止細菌感染。雖然部分患者使用手動淋巴引流法，但專家強調，若單獨使用此方法效果並不顯著，且幾乎沒有證據證明其對皮膚具有美容功效。
Conclusion
Maintaining lymphatic health requires proper hydration, a balanced diet, and regular exercise, while lymphoedema must be treated with proven medical methods.
維持淋巴健康需要適當的補水、均衡的飲食以及定期運動，而淋巴水腫必須使用經過證實的醫療方法進行治療。
Vocabulary Learning
🚀 The 'B2 Shift': Moving from Simple to Sophisticated Connections
At the A2 level, you likely use words like and, but, and because. To reach B2, you need Logical Connectors. These are words that act like road signs, telling the reader exactly how two ideas relate.
🔍 The 'Contrast' Upgrade
Look at this sentence from the text:
"In contrast, secondary lymphoedema is caused by external factors..."
Instead of saying "But secondary lymphoedema is...", the author uses In contrast. This is a professional way to compare two different things (Primary vs. Secondary).
Try this mental swap:
- ❌ A2: I like tea, but she likes coffee.
- ✅ B2: I prefer tea. In contrast, she prefers coffee.
🛠️ Adding Information without saying 'And'
Notice how the text expands on treatment:
"Furthermore, physical exercise helps push lymph through the body..."
Furthermore is a powerhouse word. It doesn't just add a fact; it adds a stronger or additional point to an argument. It makes you sound like an expert rather than a beginner.
Try this mental swap:
- ❌ A2: Smoking is bad and it is expensive.
- ✅ B2: Smoking is harmful to your health. Furthermore, it is very expensive.
⚖️ The 'Nuance' Marker: While
Check out the conclusion:
"While some patients use manual lymphatic drainage, experts emphasize that this method is not very effective..."
In B2 English, While isn't just about time (like "While I was eating"). Here, it means "Although". It allows you to acknowledge one side of an argument before presenting the more important truth.
The B2 Formula:
While [Point A is true], [Point B is actually more important].
Example: While smartphones are useful, they can be very distracting.