impairment / adverse effect
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adverse effect
A negative effect, disruption, or restriction that reduces the function, performance, or quality of something or someone.
Der Baulärm stellt eine erhebliche Beeinträchtigung der Lebensqualität dar.
The construction noise constitutes a significant adverse effect on quality of life.
impairment
A physical, mental, or emotional disability or limitation of health.
Trotz seiner körperlichen Beeinträchtigung treibt er regelmäßig Sport.
Despite his physical impairment, he does sports regularly.
The noun 'Beeinträchtigung' (impairment/adverse effect) is derived from the verb 'beeinträchtigen' (to impair). The ending '-ung' turns a verb into a feminine noun that describes the action or its result.
Die ständige Beeinträchtigung durch den Lärm macht die Anwohner krank.
The constant impairment caused by the noise is making the residents ill.
The cause or area of the 'Beeinträchtigung' (impairment/adverse effect) is often indicated with the genitive or with the preposition 'durch' (+ accusative). Both constructions are very common.
Die Beeinträchtigung des Verkehrs war erheblich.
The disruption to traffic was significant.
When a health-related limitation is being discussed, 'Beeinträchtigung' (impairment) is often combined with adjectives such as 'körperlich' (physical), 'geistig' (mental), 'seelisch' (emotional), or 'kognitiv' (cognitive). These words clearly signal the meaning of a disability or health disorder.
Er erhält Unterstützung aufgrund seiner schweren körperlichen Beeinträchtigung.
He receives support because of his severe physical impairment.
damage / harm
Schaden refers more to the disadvantage or negative condition that has resulted. Beeinträchtigung focuses on a limitation of health, function, or performance. It can also be temporary, whereas Schaden emphasizes the harmful consequence more strongly.
Nach dem Unfall führte die Schwellung zu einer vorübergehenden Beeinträchtigung seines Knies.
After the accident, the swelling caused a temporary impairment of his knee.
Nach dem Unfall blieb ein dauerhafter Schaden an seinem Knie zurück.
The accident left lasting damage to his knee.
