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.
What's the difference between all these Nintendo DS systems? The first Nintendo DS was launched in 2005. Since then, several newer versions of the system have been launched: the Nintendo DS Lite, the Nintendo DSi and the Nintendo DSi XL. Each system had different characteristics, but they all played Nintendo DS games.