Recommendations on getting in better shape? any unusual methods that have worked for you?

Some of the things osha does you carry on a mission include developing job safety and health standards and enforcing them through work site inspections maintaining reporting and record keeping system to keep track of job related injuries and illnesses in providing blank programs to increase knowledge about occupational safety and health

Which of these is likely to be the best source of valid health information?

How could you find out if that advice is based in scientific evidence?