Science
ABOUT science
The biology of aging is still largely a mystery. Researchers are working hard to unravel the molecular and cellular causes of aging and to find ways to prevent age-related diseases. These discoveries, and the science that may help people stay healthy as they age, are reported here.
SCIENCE.
NEWS
29.8.2025
New blood test predicts disease risk decades in advance
News
August 29, 2025
News
August 29, 2025
New blood test predicts disease risk decades in advance
University College London (UCL) study reveals how accelerated ageing in specific organs can forecast future health problems across the entire body.
Quelle
https://www.eurekalert.org/news-releases/1074868
25.8.2025
Leading scientists rethink how medicine addresses aging
News
August 25, 2025
News
August 25, 2025
Leading scientists rethink how medicine addresses aging
A major new study in the Journal of the American Medical Association (JAMA) highlights a new medical approach that could revolutionize the way we fight aging and disease. Instead of treating heart disease, cancer, or kidney disease individually, researchers argue for tackling the biological processes of aging themselves — an approach known as geroscience.
Quelle
Kritchevsky SB, Cummings SR. Geroscience: A Translational Review. YAMA. Published online August 07, 2025. doi:10.1001/jama.2025.11289
18.8.2025
Die Auswirkungen des Cannabiskonsums auf das Altern und die Lebenserwartung
News
August 18, 2025
News
August 18, 2025
Die Auswirkungen des Cannabiskonsums auf das Altern und die Lebenserwartung
A review of the literature suggests that cannabis may benefit older people while harming younger people.
Quelle
Nain, S., Singh, N., Schlag, A.K. et al. The impact of cannabis use on ageing and longevity: a systematic review of research insights. J Cannabis Res 7, 52 (2025). https://doi.org/10.1186/s42238-025-00267-x
26.6.2025
Factors involved in human healthy aging: Insights from longevity individuals
News
June 26, 2025
News
June 26, 2025
Factors involved in human healthy aging: Insights from longevity individuals
Longevity is the result of a combination of genetic, metabolic, immunological and lifestyle factors. The study of centenarians shows ways to healthier aging and gives hope for future measures that extend both lifespan and health span.
Quelle
Factors involved in human healthy aging: insights from longevity individuals” by Fan-Qian Yin, Fu-Hui Xiao and Qing-Peng Kong, 22 March 2025, Frontiers of Medicine. DOI: 10.1007/s11684-024-1120-4
19.6.2025
Higher daytime intake of fruits and vegetables predicts less disrupted nighttime sleep
News
June 23, 2025
News
June 23, 2025
Higher daytime intake of fruits and vegetables predicts less disrupted nighttime sleep
Higher daytime intakes of fruits and vegetables and carbohydrates that align with a healthy diet were associated with less disrupted nighttime sleep. A 5-cup increase (from no intake) in fruits and vegetables, meeting dietary recommendations, was associated with 16% better sleep quality. These findings suggest that diets rich in complex carbohydrates, fruits, and vegetables may promote better sleep health.
Quelle
Hedda L. Boege, Katherine D. Wilson, Jennifer M. Kilkus, Waveley Qiu, Bin Cheng, Kristen E. Wroblewski, Becky Tucker, Esra Tasali, Marie-Pierre St-Onge, Higher daytime intake of fruits and vegetables predicts less disrupted nighttime sleep in younger adults, Sleep Health, 2025, ISSN 2352-7218, https://doi.org/10.1016/j.sleh.2025.05.003
SCIENCE.
EXPLAINED
Aging
Alterung
Telomeres shorten over the course of a lifetime. The normal aging process is thought to be affected by telomere shortening and thus associated with the onset of disease and increased mortality in old age.
Length
Länge
Telomeres are protective caps at the ends of chromosomes that shorten each time a cell divides. When they become so short that the genes they protect could be damaged, cells stop dividing and renewing themselves. As a result, the cells are no longer able to perform their functions. This is thought to be one of the mechanisms of aging.
Function
Funktion
Telomeres are protective caps at the ends of chromosomes that shorten each time a cell divides. When they become so short that the genes they protect could be damaged, cells stop dividing and renewing themselves. As a result, the cells become less able to perform their functions. This is thought to be one of the mechanisms of aging.
Schutz
Through prevention and proactive measures. Eating habits: high consumption of meat (especially red meat), a generally fatty diet and obesity cause the chromosome caps to wear down, as does excessive alcohol consumption. Consumption of vegetable products protects the cells.
Physical activity: Interval and endurance training can lengthen telomeres
Protetion
Science.
Quote
The goal of a genome analysis is not to find out what you will die of, but rather to learn how to prevent diseases from occurring.
George Church
American geneticist, molecular engineer, chemist, and "founder of genomics"
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