Caffeine is also a bladder irritant, which can make an overactive bladder problem worse, he says. Coffee is rich in oxalates, compounds that bind with calcium in the blood to create calcium oxalate, a major component of kidney stones.
How did the influences of the Olmec and Toltec civilizations on the Aztec civilization differ?   The Toltecs had a more direct influence on the Aztecs than the  Olmecs because they were closer to the Aztecs in both time and  geographic location.    /  â¦. 6 people found this useful.
Yet, the fact that the Olmecs were most likely a Black civilization of African origins has not been made public and the Indian elements in Mexico have gained more prominence to the extent that the Negroid substrata of the ancient Mexican/Mesoamerican civilizations has been kept hidden.