Both on mental and physical levels, I am at my best.

无论是精神还是身体方面，我都处于我的最佳状态。

youdao

Psychological stress affects human beings not only at behavior levels but also at physical levels, which even results in some diseases.

心理应激不仅能使人的行为特征发生变化，而且也能使人的生理状况发生改变，因此，被认为是某些身心疾病的诱因。

youdao

He compared obesity rates and physical activity levels of women who had been in high school before and after Title Nine took effect.

VOA: special.2010.03.04

The worrying increase of diabetes in the UK is clearly linked to rising obesity levels and plummeting physical activity levels.

BBC: NEWS | Health | Obesity 'epidemic' turns global

We need to improve men's physical activity levels, whether through sports or building exercise into routine.

BBC: Too many men 'unconcerned' about weight health risks

Physical activity levels were much higher among children, where the recommended level is 60 minutes each day, including school-based activity.

BBC: Scottish Health Survey: Obesity still problem for Scots