There are many external websites which you will find useful for your sport and exercise science studies. Here are some suggestions:
American College of Sports Medicine - requires a membership to access the main resources.
Australian Institute of Sport - links to some very good pages on sports nutrition.
British Association for Cardiovascular Prevention and Rehabilitation (BACR) - general news website for cardiology.
British Association of Sport & Exercise Sciences - has a student area with plenty of useful links.
British Heart Foundation - physical activity guidelines for all ages. Includes some journal articles.
Cochrane Collaboration - an evidence-based healthcare website. Full access to the Cochrane Library is also available on the Greenwich and Kent library webpages via the respective portals.
Department of Health and Social Care - this page concentrates on obesity but other health and social care topics also web pages.
EU Health-enhancing physical activity statistics - an overview of statistics on the physical activity performed by people in the European Union.
HEPA Europe (European network for the promotion of health-enhancing physical activity) - a World Health Organization website promoting physical activity. A newsletter can also be found here.
International Olympic Committee (IOC) - website of the IOC.
PEDro - a physiotherapy evidence database of over 15,000 randomised trials, reviews and clinical practice guidelines for physiotherapy.
SportsScience - a peer-reviewed journal and site for sports research with plenty of very useful resources.
UK Athletics - website of the UK national governing body for athletics.
