79 Studien
Forschungsbibliothek
Peer-reviewed Papers aus Top-Journals, zusammengefasst und nach Evidenzstärke bewertet. Updates jeden Mo, Mi & Fr.
5.–11. Apr 2026
2Frailty verdoppelt das Sterberisiko bei Herz- und Stoffwechselerkrankungen
In fünf großen Studien aus den USA, Großbritannien und China hatten Menschen mit Herz- oder Stoffwechselerkrankungen, die frail waren, ein bis zu 132% höheres Risiko, an irgendeiner Ursache zu sterben. Selbst leichte Schwäche (pre-frail) erhöhte das Risiko um 21% bis 66%. Der Zusammenhang war am stärksten bei Menschen unter 65 und mit niedrigerem Körpergewicht.
Structured Lifestyle Programs Cut Frailty More Than DIY Approaches
A two-year trial compared two lifestyle programs, both involving exercise, diet, social activity, and health monitoring, in over 2,000 older adults at risk for cognitive decline. The structured version (with more accountability and intensity) reduced a frailty index nearly three times more than the self-guided version. This benefit held across age groups, sexes, and body weights. Interestingly though, the frailty improvements didn't explain the cognitive benefits of the structured program, suggesting separate mechanisms.
15.–21. Mär 2026
3A More Diverse Oral Microbiome May Help Protect Against Frailty
People over 50 with less bacterial diversity in their mouths tended to be more frail. Researchers studied nearly 2,700 U.S. adults and found this link held across multiple measures of microbial variety. They also used a genetic analysis technique to identify specific mouth bacteria that may causally increase or decrease frailty risk. The findings suggest oral health could be a modifiable factor in healthy aging.
Frailty Triples Death Risk, and Exercise Alone May Not Fix It
Frail adults in South Korea had over three times the mortality risk compared to robust individuals over a 16-year follow-up. Pre-frail people also had about 70% higher risk. Meeting standard exercise guidelines (150 minutes per week) didn't independently lower death risk in pre-frail or frail individuals after accounting for other factors. Frail participants who met those guidelines actually had higher healthcare costs, suggesting generic exercise advice may not suit everyone.
Blood Proteins May Reveal Two Critical Windows for Frailty Around Ages 50 and 63
A study of over 50,000 UK Biobank participants found 1,339 blood proteins linked to frailty. Researchers built a "proteomic frailty score" that predicted risk for 199 diseases and responded to 84 modifiable risk factors. The most striking finding: frailty-related protein changes showed two distinct peaks, around ages 50 and 63. These windows could represent key moments when biological aging accelerates.
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