differ from the recommendations in the most recent report published under subsection (a)(1) shall submit such proposed recommendations to the Secretary for review, and as appropriate, approval, to ensure that such recommendations are either consistent with the physical activity recommendations published under such subsection or based on the most current evidence-based scientific and medical knowledge. (c) Existing authority not affected This section is not intended to limit the support of biomedical research by any Federal agency or to limit the presentation or communication of scientific or medical findings or review of such findings by any Federal agency.