Omega-3's may be a good mood lifter: "...those with higher blood levels of omega-3s were found to be more agreeable."

ScienceDaily: Omega 3 Fatty Acids Influence Mood, Impulsivity And Personality, Study Indicates


"The results of a major review of published research that examined the relationship between depression and level of omega-3 fatty acids in the diet suggest that omega-3 fatty acids have antidepressant effects.":

http://www.reuters.com/article/healt...60044720070816...

A _small_ collection of medical studies on tea tree oil... (a lot have been done)

"This study supports the use of tea-tree oil in the treatment of acne":

http://www.ncbi.nlm.nih.gov/sites/en...t=AbstractPlus


"This study has identified that most components of tea tree oil have activity against a range of fungi.":

http://www.ncbi.nlm.nih.gov/sites/en...RVAbstractPlus...

Unfortunately, I cannot post the whole article as it's a subscribers only article but here are outtakes from an interest ScienceNews.org article. This makes me wonder if the epigenome of some KP pickers is blocking the same gene resulting in similar behaviour to that of the mice lacking the gene:

"Groomed for Trouble: Mice yield obsessive-compulsive insights by Bruce Bower
Neuroscientist Guoping Feng and his colleagues had a simple plan....

I saw a great bit about epigenetics on NovaScienceNOW recently.
"The Greek "epi-" prefix of the word "epigenetics" implies features that are "on top of" or "in addition to" genetics, and the current usage of the word reflects this—epigenetic traits exist on top of or in addition to the traditional molecular basis for inheritance."

NOVA | scienceNOW | Epigenetics | PBS

all cells in our bodies have the same genes...