Emotional or mental problems can arise from a physical cause.

身体上的原因可以引起情绪或精神上的问题。

《牛津词典》

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

The county hospital could find no physical cause for Sumner's problems.

县医院查不出萨姆纳的问题的生理原因。

《柯林斯英汉双解大词典》

Scientists are confident they have found a physical cause for the controversial condition Chronic Fatigue Syndrome.

BBC: News | Health | Immune system blamed for Chronic Fatigue Syndrome

The report calls for further research into the condition but warns that it may be years before a physical cause is found.

BBC: Fresh approach to ME urged

Some doctors still believe CFS to be "all in the mind", although most now agree that to some degree it has a physical cause.

BBC: News | Health | Immune system blamed for Chronic Fatigue Syndrome