noun
General loanword for health, often used in compound terms and brand names.
ヘルスケアは重要な産業です。
Healthcare is an important industry.
毎日の運動はヘルスに良い。
Daily exercise is good for your health.
noun
Abbreviation of ファッションヘルス. Refers to a type of brothel or massage parlor offering sexual services. This sense is slangy and domain-specific.
See also: ファッションヘルス
あの通りにはヘルスが何軒もある。
There are several erotic massage parlors on that street.