It was the first day of spring break in 1992 in Phoenix, and 12-year-old Heather Smith was excited for her family's upcoming ski trip. But before Smith and her family had even packed their snow pants, ...
The GI tract is a complex group of organs, each of which helps your body digest and absorb food. Your upper GI tract includes your esophagus, stomach, and the first section of your small intestine, ...
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