Learn which running form cues research supports, why heel striking is fine, how to film a quick self-check and how to change one habit at a time without overdoing it.
Where your knee hurts points to the likely cause. Learn the warning signs, a pain-guided way to keep running, and the training and strength changes that help.
Running can help reduce body fat, but a special heart-rate zone or an empty stomach isn't the deciding factor. Start with training you can repeat and fuel well.
Measure your steps per minute and decide whether a small increase is worth trying. Learn why 180 isn't a universal target, how to practice with a metronome or simple cue, and when to leave your cadence alone.