My son's health is not good.

我儿子的健好。

But a low-diversity gut won't necessarily doom your health.

但是肠道微生物种类低说明健好。

Last year his health took a turn for the worse.

【worse】去年他的健开始变得好了。

Her health was not good. She was unhappy with her publisher. And, she was angry about the changes in society brought by new technology.

她的健好。她对她的出版商满意。而且她对于新技术带来的社会变化感到愤怒。

His health was indifferent, and it seemed likely that open-air exercise, of which he would have a good deal under the particular circumstances of the case, might counteract the effects of study too closely pursued.

他的健并好，看来，在具体情下，他会有很多户外运动，这可能会抵消过于密切地追求学习的效果。