Which factor is NOT typically associated with influencing body temperature?

Body temperature is influenced by several factors, including the environment, physical activity, and certain diseases. However, when considering the role of age, while it is true that age can impact overall health and metabolism, it is not typically characterized as a direct influencer of body temperature in the same manner as the other options.

The environment directly affects body temperature through factors such as ambient temperature and humidity, which can cause body temperatures to rise or fall. Physical activity increases body temperature as muscles generate heat during exercise. Certain diseases, particularly infections, can elevate body temperature as part of the body's immune response.

In contrast, age does play a role in thermoregulation, but its influence is more about the general physiological changes that occur over a lifespan rather than a direct effect on body temperature at any given moment. Therefore, while age is an important factor in health, it is not typically recognized as a direct influencer of body temperature in the context of acute changes.