From unwrapping to imaging
For centuries, studying a mummy meant cutting away its bandages. Nineteenth-century unwrappings were sometimes public entertainments and destroyed much of the evidence. Twentieth-century scientists began using X-rays to see bones inside the wrapping, and modern work relies on computed tomography (CT), which builds three-dimensional images of a body without disturbing it. The result is a form of virtual autopsy that leaves the mummy intact. One of the best-known examples is the digital unwrapping of the pharaoh Amenhotep I, reported in 2021, which showed the king’s body and amulets under the linen without opening his wrappings.
What scans show about age and health
CT images reveal bones, teeth and sometimes preserved soft tissue. From these, researchers estimate age at death using tooth wear, the fusion of growth plates and changes in the joints. Height can be estimated from long bones. Scans also show how a body was embalmed, such as whether the brain was removed, where packing material was placed and whether the heart was left in place or replaced.
Findings are often unglamorous but informative. Many mummies show arthritis, worn and abscessed teeth and healed fractures. Dental wear is commonly attributed to sand and grit in bread, which reflects how food was made rather than a particular illness. Hard physical labour left marks on the skeletons of some individuals, though a mummy’s social rank affects what is seen.
Disease in the Nile Valley
Several diseases have been identified in Egyptian mummies, either from bones or from tests on tissue:
- Tuberculosis of the spine, sometimes called Pott’s disease, has been recognised in skeletal changes in some individuals.
- Schistosomiasis, caused by a parasitic worm carried by water snails, has been detected by testing for its antigens in mummy tissue. This fits the life of people who worked in irrigated fields and canals.
- Atherosclerosis, the hardening of the arteries, has been identified in scans of a number of mummies, including some from elite families. This surprised researchers who had assumed it was mainly a modern disease linked to diet and lifestyle. Interpreting this finding requires caution, since the sample was small and from privileged groups.
- Parasites and infections such as worm eggs have been found in some mummies, as they have in other ancient material.
Diagnosis from a dried body is difficult, since decay and embalming can imitate or hide signs of disease. A lesion on a bone can often have several possible causes, so careful researchers present diagnoses as probable. The results are usually set beside written sources, such as the Egyptian medical knowledge preserved in papyri, to see whether the two pictures agree.
Tutankhamun as a test case
The king’s mummy was scanned in 2005 and then studied again with genetic analysis, published in 2010. The team reported evidence of a foot condition, a partial bone disorder and signs of malaria, and suggested that these may have contributed to his early death. The analysis also proposed his parentage. These claims have been debated, and some specialists question the identification of malaria, the reconstruction of family relations and the interpretation of the foot condition, because DNA from old, resin-treated remains is hard to analyse. The cause of his death, at around eighteen or nineteen years of age, is still not firmly established.
DNA and ancestry
Recovering DNA from mummies is difficult. The warm climate, the embalming chemicals and later handling all damage genetic material or introduce modern contamination. A study published in 2017 reported genome-wide data from mummies at the site of Abusir el-Meleq, spanning roughly the late New Kingdom to the Roman period. The authors found that these individuals were genetically close to ancient and modern populations of the Near East, with modern Egyptians showing a larger share of sub-Saharan African ancestry than the ancient sample. Because the study relied on one site and period, it cannot be taken to describe all Egyptians across all times. Broader context is provided by general work on ancient DNA.
DNA can also test identification. In some cases, relatedness between royal mummies has been used to support or question their identities, though these results should be read as hypotheses unless confirmed independently.
Diet, origin and dating
Chemical analysis offers another route. Isotopes in teeth and bone reflect what a person ate and drank during life, and sometimes where they grew up. Studies of hair and bone have been used to examine diet and migration, though preserved tissue and embalming treatments complicate results.
Dating is an equally important question. Many mummies are assigned to a period from inscriptions on coffins, but coffins were sometimes reused or the body and coffin did not match. Radiocarbon dating of the body itself, or of its linen, can test the date of death. Sampling is destructive, so the results are used selectively.
Embalming materials
Laboratory analysis of residues from linen and bodies has identified substances used for embalming, including plant oils, animal fats, beeswax and resins, and in some cases bitumen. Some resins came from trees that did not grow in Egypt, indicating long-distance trade. The way these materials changed through time helps date and compare mummification styles.
Ethics and what remains uncertain
Egyptian mummies are not the only well-studied preserved bodies; the Tarim Basin mummies of western China, for example, are studied with many of the same tools. Together such projects show how archaeological methods now combine medicine, chemistry and genetics.
Mummies are human remains, and museums now often debate how they should be displayed and studied. Non-invasive imaging has become the preferred method, and the practice reflects a broader respect for the dead. Many findings rest on small samples from museum collections, which are biased toward wealthy people and toward places where dealers and early excavators were most active. Researchers therefore avoid generalising from a handful of individuals to the whole population. The most reliable conclusions come from repeated results across independent methods, and new techniques continue to revise earlier readings.