Cardiorespiratory fitness may be the most modifiable predictor of how long you live.
How cardiorespiratory fitness predicts long-term mortality, what the research shows, and why small, sustained improvements compound over decades.
Show up at 5%. The research on training when life is heavy.
When you're stressed, the temptation is to skip the session. The research says even a light session improves mood, anxiety, and depressive symptoms. Intensity isn't the variable that matters.
Why every training block should start with a deload
Pulling back for a week feels like going backwards. A 2024 randomised trial found the opposite: a deload preserved hypertrophy, power, and endurance while sacrificing almost nothing.
Why skill-based training beats steady cardio for adherence
A 2015 Australian trial matched non-contact boxing against brisk walking for 12 weeks. The boxing group hit 79% attendance. The walking group hit 55%. The reason matters more than the workout.
Training through winter supports your immune system. Here's the research.
The "immune open window" theory got the post-exercise dip wrong. A 2018 review of the evidence explains why training through winter supports your immune system rather than running it down.