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.
The ancient Greek scholar Herodotus who lived around 450BC when the  Great Pyramid was already 2000 years old, was told that it took  100,000 slaves twenty years to build.  â¦  Most modern historians accept the twenty years but believe it was  more like 20,000 or 30,000.