The following databases are best bets for finding SCHOLARLY ARTICLES for your research.
Additional health and wellness articles may be found in these databases:
Professional articles related to physical education may be found here:
The following databases include all subject areas so may provide additional articles. Both professional and consumer articles are included:
The following research database will help you find books (print and online) and videos.
The general public faces a more difficult situation when judging the quality of health/medical information, because they often search the open web where anyone can place any information.
When selling something is the motive, beware.
Read this blog post: Butter In Your Coffee and Other Cons: Stories From a Fitness Insider
Consumers, who lack the expertise of health professionals, should use known trustworthy sites aimed at the general public such as those listed below.