The most likely cause of death in 1900 would be pneumonia/influenza, while the leading cause of death in 2006 was heart disease. ... Heart disease and cancer were two of the most common causes of death in 2006.
Answer: Internal influences may mean health hormones, as hormones are a key structure in how we function. An external influence could be sleep, as humans need sleep as a way to recharge, or diets as they have an effect on both hormones and physical durability
I think it means meal! For example, with the word "postprandial", it means after eating a meal. Hope I helped! :)