Emotional problems can arise from a physical cause, so it is very important to stay physically healthy.

身体不适可引起情绪问题，所以保持身体健康很重要。

youdao

Just staying up late can cause increased academic difficulty and attention problems for otherwise healthy while functioning kids.

对于本应健康正常的孩子，熬夜会导致更高的学习难度和注意力问题。

youdao

youdao

A national survey finds that one in four parents in the U.S.believe that vaccines containing thimerosal cause autism in healthy children and one in eight have refused at least one ecommended dose of vaccine.

VOA: standard.2010.03.23

Fungi which don't often cause infections in people with healthy immune systems but can under some circumstances, and can be tremendous problems in patients that have weakened immune systems.

真菌在免疫系统健康的情况下通常,不引起感染,但在某些情况下也会感染,那就成了极大的问题,在免疫系统脆弱的病人体内

耶鲁公开课 - 生物医学工程探索课程节选

Experts do warn that candies marketed as healthy may cause consumers to overeat and continue avoiding the real problem that causes such diseases as obesity and diabetes: a lack of nutrient-dense food.

FORBES: The Healthiest Candies

All they are likely to do for a healthy person is cause an upset stomach.

CNN: What to do if you have the flu

We hope KIPP expansion will spur healthy competition and cause school districts nationwide to raise the quality of educational offerings for young people like Rocio Mendoza.

FORBES: Magazine Article