Translation of Kasus

I really worry about the health of obese people, especially the ones that I know in person (friends, relatives), because it is well known that overweight have a higher probability of heart attack.
We begin to talk about 'we' and 'they', which makes us partly discriminating. As a whole, I guess that all of us have some predispositions, but the difference is, that some know how to supress it.
One could see the animals from a distance. There were sea lions, whales and penguins, all very far away. In the evening we went on a boat for whale watching which was a really great experience.