"The endurance of left-handedness has puzzled researchers, because it is linked to disadvantages including an increased risk of some diseases. But University of Montpellier experts, writing in Proceedings B, say it could be because they do well in combat."
Small sample size but some provocative results.
> From BBC News

Making Habits, Breaking Habits
In his new book, Jeremy Dean--psychologist and author of PsyBlog--looks at how habits work, why they are so hard to change, and how to break bad old cycles and develop new healthy, creative, happy habits.
→ "Making Habits, Breaking Habits", is available now on Amazon.
ReviewsThe Bookseller, “Editor’s Pick,” 10/12/12 “Sensible and very readable…By far the most useful of this month’s New You offerings.”
Kirkus Reviews, 1/1/13 “Making changes does take longer than we may expect—no 30-day, 30-pounds-lighter quick fix—but by following the guidelines laid out by Dean, readers have a decent chance at establishing fulfilling, new patterns.”
Publishers Weekly, 12/10/12 “An accessible and informative guide for readers to take control of their lives.”
→ You can dip into the first chapter, or check it out on Amazon.com.
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