WebMD Symptom Checker helps you find the most common medical conditions indicated by the symptoms dizziness, fatigue and shortness of breath including Heart rhythm disorder, Anemia, and Medication reaction or side-effect. There are 119 conditions associated with dizziness, fatigue and shortness of breath.
According to ''National Geographic'' it took an estimated 20,000 to 30,000 workers to build the Pyramids at Giza over a period of 80 years from about 2570 to 2490 B.C. and slaves were not used.
Archaeologists believe Egyptâs large pyramids are the work of the Old Kingdom society that rose to prominence in the Nile Valley after 3000 B.C.Historical analysis tells us that the Egyptians built the Giza Pyramids in a span of 85 years between 2589 and 2504 BC.ncient Egyptâs population was restricted to the narrow confines of the Nile Valley with, we assume, a sparse cover of trees. It is likely that, by the pyramid age, the Egyptians had been intensively exploiting wood for fuel for a long time.