Which change in the digestive system is commonly associated with aging?

The correct choice reflects a well-documented change that occurs in the digestive system as individuals age. As people get older, the motility of the gastrointestinal tract tends to decrease, leading to slower movement of food through the digestive system. This slowed movement can result in a variety of digestive issues, including discomfort, bloating, and in many cases, constipation.

Aging also often leads to changes in muscle tone and the overall efficiency of the digestive organs, which can contribute to these slower transit times. Recognizing this change is essential for caregivers and healthcare professionals, as it influences dietary recommendations and the management of digestive health in older adults.

In contrast, the other options, such as an increased sense of taste or heightened sensitivity to flavors, do not accurately portray the common trends observed in the aging population. In fact, many older adults experience a diminished sense of taste and smell. Additionally, constipation is typically more prevalent among the elderly due to various factors, including medication use, dietary changes, and reduced physical activity, rather than decreasing.