blood sugar
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blood sugar
The concentration of glucose (grape sugar) in the blood. The blood sugar level is an important medical value whose regulation is crucial for metabolism.
Diabetiker müssen regelmäßig ihren Blutzucker messen, um ihn richtig einzustellen.
Diabetics have to measure their blood sugar regularly in order to manage it properly.
The word is a direct compound of 'das Blut' (blood) and 'der Zucker' (sugar). So it literally describes the sugar that is found in the blood.
Nach dem Essen von Süßigkeiten steigt der Blutzucker schnell an.
After eating sweets, blood sugar rises quickly.
Common verbs are 'den Blutzucker messen' (to measure blood sugar), 'senken' (to lower), or 'kontrollieren' (to monitor/control). Blood sugar can be 'hoch' (high) or 'niedrig' (low), and it can 'steigen' (rise) or 'sinken' (fall).
Sport kann dabei helfen, den Blutzucker zu senken.
Exercise can help lower blood sugar.
Very often, instead of just 'der Blutzucker' (blood sugar), the more precise expression 'der Blutzuckerspiegel' (blood sugar level) is used to describe the level of glucose in the blood.
Der Arzt möchte meinen Blutzuckerspiegel überprüfen.
The doctor wants to check my blood sugar level.
sugar
'Zucker' and 'Blutzucker' can mean the same thing in a medical context: the blood sugar level. 'Blutzucker' is the precise and clear form. In this sense, 'Zucker' is a short, colloquial form that you often hear at the doctor's office or in everyday life. The words can be confused because 'Zucker' also means the sweet substance used for food and drinks. When talking about health, diabetes, or measured values, 'Blutzucker' is clearer.
Nach dem Essen misst Maria ihren Blutzucker.
After eating, Maria measures her blood sugar.
Der Arzt sagt, dass mein Zucker heute etwas zu hoch ist.
The doctor says that my blood sugar is a little too high today.