User-agent: Mediapartners-Google
Disallow:

User-agent: googlebot
Disallow: /*.gif$
Disallow: /*.jpg$
Disallow: /*.zip$
Disallow: /*.doc$
Disallow: /*.exe$
Disallow: /health/
Disallow: /images/
Disallow: /diets/

User-agent:*
Disallow: /health/
Disallow: /images/
Disallow: /diets/