NEW YORK--(BUSINESS WIRE)--Today, NBCUniversal announced the launch of Radius, a new premium fitness brand that offers unlimited access to a broad variety of workout and lifestyle programming, viewable anytime, anywhere, and on any screen. The on-demand service acts like a virtual trainer by creating customized workout experiences developed by a new generation of fitness powerhouse talent such as Basheerah Ahmad, Nicky Holender, Keoni Hudoba, Alex Isaly and Natalie Uhling. Fitness buffs and beg