Evidence library
Bibliographic records and reader-friendly guides to sources cited by the journal.
Journal article · 2026
Clinical Nutrition ESPEN
Can a body-fat device give consistent readings and still disagree with another method? In 44 healthy women aged 40 to 65, researchers compared repeated measurements from electrical-impedance analysis, three-dimensional scanning and DXA, an X-ray-based reference method.…
Journal article · 2026
EBioMedicine
Journal article · 2015
Nutrients
Journal article · 2023
Psychology & Health
Journal article · 2013
Medicine & Science in Sports & Exercise
Persistent tiredness after training needs an explanation that goes beyond how hard the last session felt. Experts examined how to distinguish useful training overload from prolonged failure to recover. Their central conclusion was that overtraining syndrome…
Journal article · 2012
PM&R
What happens during a workout is different from what repeated training changes over time. Heart rate, breathing, and fuel use respond to the immediate task. Endurance training can also change the systems that deliver and use…
Journal article · 2020
Front Physiol
A change in a fitness-test number does not always mean that fitness itself changed. Maximum oxygen use, called VO2max, is calculated from breathing measurements during demanding exercise. The way those measurements are averaged can alter the…
Journal article · 2009
Medicine & Science in Sports & Exercise
Getting stronger raises a practical question: when should a familiar weight become a heavier one? For healthy adults, the authors recommend increasing resistance by 2–10% when the current load can be lifted for 1–2 repetitions beyond…
Journal article · 2024
Physiological Measurement
Journal article · 2006
Sports Med
Journal article · 2020
Nutrients
Journal article · 2017
Annual Review of Biochemistry
A protein can become harmful when its molecules assemble in the wrong way. Amyloid is an organized form of protein assembly linked to conditions including Alzheimer disease, Parkinson disease, and some diseases outside the brain. The…
Webpage
Journal article · 2021
npj Science of Food
A protein mixture becomes a gel when its parts form a structure that can resist deformation, but watching that happen is difficult. Researchers used tiny particles made from whey protein, large enough to track individually in…
Journal article · 2017
F1000Research
How a protein loses its shape can affect how it folds again. Researchers use chemicals, heat, pressure, or pulling forces to study this process in the laboratory. These methods can leave proteins in different collections of…
Journal article · 2009
Annual Review of Biomedical Engineering
Studying what cells do requires tools that can examine many proteins, not just identify a single familiar molecule. The paper describes mass spectrometry as a versatile approach to this task. It explains how sample preparation, separation,…
Journal article · 2023
The journal of nutrition, health & aging
Journal article · 2000
European Spine Journal
The psoas's role in the lower back is harder to describe than a single label such as flexor or stabilizer. The author addresses conflicting explanations of how this muscle acts on the lumbar spine, the lower…
Journal article · 2012
Clinical psychology review
