Add spaces: Thisisaquitepopularserviceandhundredsofpeoplemakeuseofit.

Answer: This is a quite popular service and hundreds of people make use of it.

Add spaces: ThenIcutsugarpiecesononeside,sothattheybecamewedged.

Answer: Then I cut sugar pieces on one side, so that they became wedged.

Add spaces: Hyposthenuriaisaclinicalconditioninwhichtheurineischemicallyimbalanced.

Answer:
Hyposthenuria is a clinical condition in which the urine is chemically imbalanced.