Death of man

At what age did famous people die

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2025: Scientific Explanation of the Origin of Dying Visions

The human brain can remain active and coordinated during and even after the "transition to death," reproducing certain memories. This is stated in a study by American specialists from the University of Louisville, the results of which Zdrav.Expert got acquainted with in mid-June 2025.

The work was led by neurosurgeon Dr. Ajmal Zemmar. Scientists recorded an electroencephalogram in an 87-year-old man who suffered from epilepsy. During this procedure, the patient had a heart attack and died shortly thereafter. Thus, for the first time, it was possible to register the activity of the dying brain.

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Фото: Freepik

Subsequently, experts studied the data obtained: by examining the electroencephalogram obtained 30 seconds before and 30 seconds after cardiac arrest, they saw neurological differences. Moreover, these changes were associated with dreams, memories and information processing.

We saw changes in a specific band of neural oscillations, so-called gamma oscillations, as well as others, such as delta, teta, alpha and beta oscillations, says Zemmar.

The authors of the study concluded that the brain can "lose" memories of important life events just before death. This, in general, corresponds to the stories of many people who faced clinical death, that just before the end the life they lived seemed to rush before their eyes.

These findings challenge our understanding of exactly when life ends and raise important questions, such as the timing of organ donation, Zemmar notes.

But other experts point out that in this study there was only one patient who also suffered from a chronic non-infectious brain disease.^[1]

2023: Drinking a small amount of alcohol reduces the risk of death

Light and moderate use of alcoholic beverages reduces the risk of coronary heart disease and reduces the likelihood of steatohepatitis. This conclusion was reached by researchers from Ghent University, the results of which were released on May 4, 2023. Read more here.

2022

Scientists for 14 years studied vitamin deficiency and found that it is associated with the risk of premature mortality

In early December 2022, employees of the University of South Australia for 14 years studied the biomaterial of 307 thousand people with low levels of vitamin D in the body. Patients who did not struggle with the deficiency of this micronutrient were more likely to have respiratory diseases and died before. Read more here.

Experiences of people on the verge of death investigated for the first time

In early November 2022, it became known that a study led by scientists from the Grossman School of Medicine at New York University and other educational institutions first studied the experiences of people on the verge of death.

The study involved 567 men and women whose heart stopped beating during hospitalization and who underwent cardiopulmonary resuscitation between May 2017 and March 2020 USA in and. Great Britain Despite immediate treatment, less than 10% recovered so much that they were discharged from the hospital.

Unique experience. Experiences of people on the verge of death investigated for the first time

Survivors reported unique clear experiences, including feeling separated from the body, observing events without pain or distress, and a meaningful assessment of life, including their actions, intentions, and thoughts toward others. Scientists have found that these experiences of death differ from hallucinations, delusions, illusions, dreams or consciousness caused by artificial respiration.

The work also included tests for latent brain activity. A key result was the detection of bursts of brain activity, including so-called gamma-, delta-, teta-, alpha- and beta-waves up to an hour after CPR. Some of these brainwaves usually occur when people are conscious and perform higher mental functions, including thinking, memory recovery, and conscious perception.

{{quote 'These memories and brain wave changes may be the first signs of a so-called near-death experience, and this is the first time we've captured them in a big study! Our results suggest that while on the verge of death and in a coma, people experience a unique internal conscious experience, including awareness without distress. These clear experiences cannot be considered a trick of a disturbed or dying brain, it is rather a unique human experience that arises on the verge of death, said the lead researcher of the study and resuscitator Sam Parnia. }} The authors of the study conclude that although as of November 2022, studies could not absolutely prove the reality or significance of patients' experiences and claims of awareness in connection with death, they also could not be refuted. In their opinion, the experiences associated with death deserve further genuine empirical research without prejudice.

The study, called AWARE II, involved about 25 hospitals in the US and UK. Only hospitalized patients took part in the project in order to standardize the methods of cardiopulmonary resuscitation and resuscitation used after cardiac arrest, as well as records of brain activity. This study also examined additional evidence from 126 people who experienced cardiac arrest and self-described their memories to better understand topics related to death memories.^[2]

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