This extensive section includes an interactive explorers book, numerous explorer profiles, explorer printables, and interactive quizzes and activities. Simply choose a map and click on its features, cities, and landmarks. Learners are rewarded with one of seven continental certificates if they are correct. History section contains hundreds of individual pages devoted to descriptions of important events in American History from early exploration to Learn about every nation in the world simply by scrolling over it with your mouse. Animated Biographies serve as vivid, animated storybooks detailing the lives of famous people in history through animation.
Other rat studies show increased levels of the neurotransmitter serotonin. This could theoretically lead to reduced appetite and cravings (2). There are actually a whole bunch of studies in rats showing that Garcinia Cambogia consistently leads to significant weight loss (3, 4, 5, 6).
However, what works in rats doesnt always work in humans. Bottom Line: Studies in rats show that the active ingredient in Garcinia Cambogia can inhibit a fat producing enzyme called Citrate Lyase and increase serotonin levels, leading to significant weight loss.