Retinal Light Exposure and Morning Workouts
Target audience:This article is written for general readers, recreational runners, gym-goers, endurance athletes, coaches, office workers, shift workers, and anyone trying to understand why morning light can affect alertness, sleep timing, and workout readiness. No background in neuroscience, sleep medicine, or sports science is required. You know the scene. The alarm goes off, the room is still..
2026. 5. 6.
Low Energy Availability in Amateur Athletes
Target audience:recreational runners, cyclists, lifters, CrossFit participants, team-sport players, combat-sport athletes, and serious hobby athletes who train often enough that food intake, recovery, body-composition pressure, and performance expectations start colliding. Many amateur athletes think low energy availability is an elite-sport problem, like wind-tunnel bikes, altitude tents, or co..
2026. 5. 2.
Bone Turnover Markers in Female Runners
Target audience:female runners, parents of adolescent runners, coaches, athletic trainers, sports dietitians, sports medicine clinicians, and general readers who want a clear explanation of bone health, bone turnover blood markers, menstrual dysfunction, and stress fracture risk in endurance sport. A female runner can look healthy, train hard, post solid splits, and still carry early signs of im..
2026. 5. 2.
Core Temperature Monitoring During Heat Acclimation
Target audience:endurance athletes, team-sport athletes, coaches, athletic trainers, sport scientists, and general readers who want plain-English guidance on heat adaptation, thermal strain, and safe monitoring. If you want the shortest honest version first, here it is: heat acclimation works when it is controlled, repeated, and monitored. It does not work better because someone tried to cosplay..
2026. 5. 1.
Caffeine Cutoff Timing for Better REM
This article is written for athletes, recreational exercisers, coaches, and general readers who use coffee, tea, gels, pre-workouts, or energy drinks to train harder but do not want to sabotage sleep. It covers the basic biology of caffeine, why REM sleep matters, what the strongest studies actually found, why cutoff timing is more complicated than “never after noon,” where the evidence is thin,..
2026. 4. 30.