hi, please proofread the following sentences.

1. He never studies at home, to the detriment of his academic results.
2. She depends too much on her husband,to the detriment of her independence.
3. If she goes to the US and leaves her husband behind,it will lead to the detriment of her
marriage.
4. Adam's high passion for sweet food will eventually brings him to the detriment of his health.

please advise on the usage if there's any mistake.
thanks.