Even foods that are good for your health may have some properties that make them less than ideal. And some things that you eat are just plain bad for you. Lectins are often cited as a property in foods that you should avoid.
DS-Lite is an IPv6 migration technology, where the access network of the service provider is running IPv6.
Depersonalization disorder (DPD) is a mental disorder in which the sufferer has persistent or recurrent feelings of depersonalization and/or derealization. In the DSM-5 it was combined with Derealization Disorder and renamed to Depersonalization/Derealization Disorder (DDPD).