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  1. Kasey addressed the course objective related to hormonal regulation of bone development. Specifically, she focused on the hormone estrogen and its impact on osteoporosis. As women age, estrogen decreases, and many women suffer from low bone density. Estrogen is important for bone growth cells called osteoblasts, so when estrogen is low, bone resorption outweighs bone generation. This causes weak and brittle bones. Using a paper towel tube filled with pom poms (representing a bone filled with marrow), Kasey explained what happens when estrogen levels drop and how hormone replacement therapy can be an effective treatment.

    Kasey removed pom poms from the paper towel tube to show the effects of low estrogen. An empty tube symbolizes low bone mineral density. Without the pom poms, the paper towel roll was thinner and would have been easier to snap in half. A bone with low bone density is more likely to break.

    To explain hormone replacement therapy, Kasey reinserted the pom poms into the paper towel tube. Though she clarified that hormone therapy will not always fix osteoporosis, it can help with bone density and make bones less likely to break.

    Kasey’s project helped explain that hormones impact bone health. Without proper hormone levels, our bones are at risk. Hormone replacement therapy can help rectify estrogen levels and boost osteoblast activity. With active bone generation/growth cells, bone mineral density will increase, and the brittleness associated with osteoporosis will decrease.

    Hollin Priday

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