A hearing aid specialist, also known as a hearing instrument specialist, is a professional who evaluates people with hearing problems and chooses the best hearing aid to improve their condition. Hearing loss is frequently encountered among the elderly, but also in younger people.
For other uses, see SSH (disambiguation). Secure Shell (SSH) is a cryptographic network protocol for operating network services securely over an unsecured network. The best known example application is for remote login to computer systems by users.
NADH is the abbreviation for the naturally occurring biological substance, nicotinamide adenine dinucleotide hydride. The âHâ stands for high-energy hydrogen and indicates that this substance is in the most biologically active form possible. Often referred to as coenzyme 1, NADH is the bodyâs top-ranked coenzyme, a facilitator of numerous biological reactions.