Many studies have proven that eating at fast-food restaurants more than twice per week is associated with more weight gain in otherwise healthy young adults.

otherwise  adv. 在其他方面

The rent is a bit high, but otherwise the house is satisfactory.

to say what otherwise would keep to oneself

a lonely but otherwise happy childhood

be associated with     噢....有關

Lung cancer is mostly associated with smoking.

more time 倍數詞  不只若干倍

I have been to Hawaii more than five times.