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Updated: May 20, 2025
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Biochemical and High Throughput Microscopic Assessment of Fat Mass in Caenorhabditis Elegans
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Health Implications Associated with Fat-Free Mass: A Phenome-Wide Mendelian Randomization Study
Yuchen Ying1, Chunxia Zhang1, Shanshan Wu2
1Department of cardiology, Ningbo Medical Center of Lihuili Hospital, Ningbo, China.
Cardiorenal Medicine
|April 3, 2025
Summary
Higher fat-free mass (FFM) may increase disease risk, challenging its protective role. This study used phenome-wide association studies and Mendelian randomization to explore FFM and health outcomes.
Area of Science:
- Human physiology
- Genetics
- Epidemiology
Background:
- Fat-free mass (FFM) is a crucial human body component.
- FFM has significant implications for various disease states.
Purpose of the Study:
- To investigate associations between FFM and health outcomes.
- To challenge the traditional view of FFM as solely protective.
Main Methods:
- Phenome-wide association study (PheWAS).
- Two-sample Mendelian randomization (MR) analysis.
- Systematic literature review.
Main Results:
- Identified 183 phenotypes linked to FFM, including diseases and lifestyle factors.
- Genetically determined FFM associated with 36 diseases (cardiovascular, metabolic, musculoskeletal).
- Discovered new links between FFM and low back pain, ovarian cancer.
Conclusions:
- Higher FFM may be associated with increased disease risk.
- Findings challenge FFM's established role as a health protector.
- Further research needed to confirm and understand mechanisms.
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