Ensure words are spelled correctly. Try rephrasing keywords or using synonyms. Try less specific keywords. Make your queries as concise as possible.

Ensure words are spelled correctly. Try rephrasing keywords or using synonyms. Try less specific keywords. Make your queries as concise as possible.

“体重异常容易导致高血压、糖尿病、心脑血管、脂肪肝，甚至一部分的癌症也和体重异常有一定的关联。” “有些人腰围太大，体重超重，甚至患 ...