Why do some people get old early?

 Why do some people get old early? Finding the main cause A study by the Duke University School of Medicine discovered that stress As a result, the biological age of humans and animals has increased exponentially.

By the way, the age of each person is determined by the date of birth (chronic age), but there is also a biological age (biological age) in medical terms, Previous research reports have indicated short-term changes in biological age due to stress, the researchers said. but till now nothing much was known about it.  For this purpose, rats from 3 months to 20 months of age were examined and the results showed that the response time to stress was very short. I increase in biological age. According to the study, various events such as surgery, pregnancy, and Covid-19 resulted in increased stress in humans. increases due to which the biological age increases.