Staying hydrated is essential for supporting numerous bodily functions and promoting overall health and well-being. Maintaining adequate hydration levels helps regulate body temperature, lubricate joints, protect sensitive tissues, and support the transportation of nutrients throughout the body. Adequate hydration also plays a key role in cognitive function, energy levels, and the overall efficiency of bodily processes.

A web image is considered decorative, and therefore doesn't need alt text, if it's there for visual appeal or doesn't convey crucial information about the page's content or function. Thus, if removing the image doesn't impact the page's meaning or accessibility, it's decorative.