1 In a study of individuals suffering from frequent anxiety attacks, patients were given vitamin B6 (125mg, 3 times daily) and tryptophan (2 grams daily). 2  This regime enabled in 70 percent of patients (9 of 13) to become free of anxiety attacks within three weeks.
The Kappa Page. This is a page all about the Twitch.tv Kappa. The Kappa is a meme among Twitch users (and now it seems other places.) The meme has become a sort of patron saint of light hearted trolling among the gaming community. Users typing Kappa into Twitch chat see a special emoticon featuring a smug looking human face.
Like most correlation statistics, the kappa can range from -1 to +1. While the kappa is one of the most commonly used statistics to test interrater reliability, it has limitations. Judgments about what level of kappa should be acceptable for health research are questioned.