Wednesday, April 29, 2026
35.1 C
New Delhi

Scientists decode ancient diseases from bones, teeth and DNA evidence

Scientists decode ancient diseases from bones, teeth and DNA evidence

Image: AI Generated

The topic of archaeological illness research is based on the use of the human skeletal record to reveal the presence of diseases in the past. Bioarchaeology, paleopathology, and biomolecular analyses are among the techniques that can be applied by researchers to discover diseases like infections, nutritional deficiencies, and degenerative conditions in ancient populations. DNA sequencing, isotope analysis, and radiography are some of the tools that can be used by researchers to detect diseases such as tuberculosis and the bubonic plague from ancient remains. Such techniques allow the researchers to gain insights into the evolution of diseases, past medicine trends, and the surrounding environment of the people.

Paleopathology explains how ancient diseases are found in human remains

The archaeology of illness, also known as paleopathology, involves the examination of diseases in ancient human and animal remains. The examination of abnormalities on bones, wear on teeth, and burial conditions helps to draw conclusions about diseases in the population. In an article titled ‘The Bioarchaeology of Health Crisis: Infectious Disease in the Past,’ Clark Spencer Larsen, a prominent bioarchaeologist, notes that “human skeletons are rich records of life experience, including diseases, nutrition, and biological stress.”Through paleopathology, we gain insights into the lives of previous generations through the analysis of diseases, which are preserved in bones and tissues.

Scientific techniques used to identify ancient diseases

The modern science has revolutionized ways in which diseases are detected in fossils of the past. One such advanced technique is the ancient DNA or aDNA studies. Scientists have the ability to retrieve DNA from bones or tooth samples and study the pathogen. According to Bos et al. (2011), who studied the genomic structure of the bacterium causing the Black Death, “We show that Yersinia pestis was the causative agent of the Black Death.” Another important method is the isotope analysis. Studying the chemical composition of the bone, scientists are able to deduce the migratory history and dietary habits of individuals, which are strongly associated with good health. Another technology is the radiographic imaging, which includes CT scans. These help in studying mummified bodies without damaging them. For instance, scientists analyzing the Egyptian mummies found evidence of hardening of arteries, a sign of atherosclerosis.

Diseases discovered in ancient populations

Several illnesses can be documented from the archaeology of the past. For example, tuberculosis infection has been found to exist in the remains of individuals that date back many years. According to study ‘Historic and Prehistoric Epidemics: An Overview of SourcesAvailable for the Study of Ancient Pathogens’, some of the characteristics of tuberculosis include spine damage, which is referred to as Pott’s disease.There are also incidences of leprosy infection, which is evident from peculiar features of the bones found on the face and limbs of the bodies. Malnutrition cases are also common, which involve such conditions as rickets and scurvy.In addition, scientists have managed to find out that plague DNA exists in large burial places.

Why studying ancient disease matters today

Besides offering insights into past events, the investigation of ancient diseases is beneficial to contemporary medical practice. Studying the development of pathogens can help in forecasting the occurrence of future pandemics.Moreover, research on historical trends in human well-being allows medical professionals to assess the impact of various environmental and socioeconomic factors on the development of illness. Such an approach is especially useful in analyzing the etiology of current diseases associated with lifestyle.The study of the pathology of ancient populations offers insight into the human experience captured in physical form. With the help of cutting-edge technology, researchers are able to uncover the mysteries of past disease. Go to Source

Hot this week

ISRO To Open Gaganyaan Astronaut Selection To Civilians As India Expands Space Plans

ISRO plans a second Gaganyaan astronaut batch, adding STEM...

Sameera Reddy reacts to Deepika Padukone’s 8-hour shift row: ‘It’s a luxury’

Actor Sameera Reddy, who is currently promoting her upcoming film ‘Aakhri Sawal’ with Sanjay Dutt, has shared her perspective on the ongoing debate around 8-hour work shifts in the film industry. Read More

IPL 2026: Is Rohit Sharma Fit For MI vs SRH Clash? Here’s What We Know

Show Quick Read Key points generated by AI, verified by newsroom Rohit Sharma sidelined with hamstring injury, missed three matches. Injury occurred during RCB match, retired hurt after 19 runs. Read More

Former Afghanistan Cricketer Battles For Life, In Critical Need For Blood In Delhi Hospital

Show Quick Read Key points generated by AI, verified by newsroom Former Afghanistan cricketer Shapoor Zadran is critically ill in Delhi. He is battling a rare immune disorder, Hemophagocytic Lymphohistiocytosis (HLH). Read More

Apple Is Working On Two ‘Ultra’ Devices, But Only One Of Them Folds

Show Quick Read Key points generated by AI, verified by newsroom Apple’s foldable iPhone may be named ‘iPhone Ultra’. The iPhone Ultra will be Apple’s highest-end smartphone. Read More

Topics

ISRO To Open Gaganyaan Astronaut Selection To Civilians As India Expands Space Plans

ISRO plans a second Gaganyaan astronaut batch, adding STEM...

Sameera Reddy reacts to Deepika Padukone’s 8-hour shift row: ‘It’s a luxury’

Actor Sameera Reddy, who is currently promoting her upcoming film ‘Aakhri Sawal’ with Sanjay Dutt, has shared her perspective on the ongoing debate around 8-hour work shifts in the film industry. Read More

IPL 2026: Is Rohit Sharma Fit For MI vs SRH Clash? Here’s What We Know

Show Quick Read Key points generated by AI, verified by newsroom Rohit Sharma sidelined with hamstring injury, missed three matches. Injury occurred during RCB match, retired hurt after 19 runs. Read More

Former Afghanistan Cricketer Battles For Life, In Critical Need For Blood In Delhi Hospital

Show Quick Read Key points generated by AI, verified by newsroom Former Afghanistan cricketer Shapoor Zadran is critically ill in Delhi. He is battling a rare immune disorder, Hemophagocytic Lymphohistiocytosis (HLH). Read More

Apple Is Working On Two ‘Ultra’ Devices, But Only One Of Them Folds

Show Quick Read Key points generated by AI, verified by newsroom Apple’s foldable iPhone may be named ‘iPhone Ultra’. The iPhone Ultra will be Apple’s highest-end smartphone. Read More

6 Hours, 594 km: Inside The Ganga Expressway Set To Reshape UP

Show Quick Read Key points generated by AI, verified by newsroom PM Modi inaugurated 594 km Ganga Expressway, India’s largest greenfield project. Expressway connects Meerut to Prayagraj, cutting travel time significantly. Read More

Stock Markets Jump As Sensex Gains Over 600 Points, Nifty Tests 24K

Show Quick Read Key points generated by AI, verified by newsroom Indian indices rebound, Sensex and Nifty gain significantly. Markets recover after Tuesday’s losses on oil and outflows. Read More

Keith Urban’s first appearance after Sunday Rose’s social media move

Keith Urban, following his split with Nicole Kidman, has been keeping away from the public eye for the most part. However, recently, the famed country singer made his first official appearance in a while. Read More

Related Articles