zdrowia

In a sentence

• Życzę ci dużo zdrowia.

  I wish you plenty of health.

  In this sentence, 'zdrowia' is used in its genitive case form as it represents an abstract concept of health being wished.

• Dbaj o swoje zdrowie, bo jest najcenniejsze.

  Take care of your health, as it is the most precious.

  Here, 'zdrowia' is in its locative case form, referring to something of primary importance to care for.

• Po chorobie w końcu powrócił do zdrowia.

  After the illness, he finally returned to health.

  The word 'zdrowia' is in its genitive case form indicating the state to which someone was restored.