As Mick mentions in his comment, "to deem healthy" is a little bit outdated-fashioned but not, I do think, adequate that you should not learn the way to utilize the idiom. I would not simply call it "Victorian" English, as it is a phrase that sees normal use even nowadays. https://gregoryrltga.fireblogz.com/67857187/property-lawyer-in-karachi-can-be-fun-for-anyone