Should Nazi Data Be Used?

http://www.pbs.org/wgbh/nova/holocaust/experiments.html
Here's the site, I read through the whole thing and I still think that the data should be used if it can save lives.
There are good arguments for not using the data, but what's done is done, the data should be evaluated on its validity. If it's trustworthy data, I see no reason not to use it.