Yes, you can build muscle (and a lot of it) at the gym while still hitting the treadmill every once in a while. Here's how, ...

Fitbit's cardio load feature was confusing and some users called it dangerous. A change in the new Fitbit app tracks it weekly, with better results.

"In theory, doing weights first would put your body into aerobic mode [so] by the time you to get to running, you will already be in aerobic/fat burning state. So you may maintain [that aerobic state] ...

The NHS recommends we aim for 150 minutes of moderate intensity exercise or 75 minutes of vigorous exercise per week.