Clearly, the elderly, and people with certain medical conditions such as respiratory and cardiovascular diseases, are the most vulnerable.

很明显，老人和患有呼吸疾病或者心血管疾病的人群最为脆弱。

This disorder has even been directly linked to increased incidences of autoimmune diseases, cardiovascular disease, musculoskeletal disorders and infertility.

这种疾病甚至与自身免疫性疾病、心血管疾病、 肌肉骨骼疾病和不孕症的发病率增加直接相关。