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.
Egyptologists and historians have long debated the question of who built the Pyramids, and how. Standing at the base of the Pyramids at Giza it is hard to believe that any of these enormous monuments could have been built in one pharaoh's lifetime. Yet scholars think they were built over mere decades for three pharaohs who were father, son, and grandson (Khufu, Khafre, and Menkaure).