The key to the success of following any diet plan is to

Is to be Persistent and exercise self control

A survey showed that average people that start their diet plan is not losing any weight, they gain an average 11 pounds istead

It's mainly because people who do this is often doesn't have enough commitment, and they often ending up in a revenge eating mode which made them consume more Calories than usual

The question may be incomplete (there are not the possible answers), but according to the scenario, kaley and her coworkers could be in a humanitarian organization like red cross (in the us or in other countries). it's an organization which organizes health and safety services, disaster services, and blood donations.