[Benefit of network education to college students' knowledge about sexual and reproductive health in Ningbo city].

Objective: To investigate how network education can improve college students' knowledge on sexual and reproductive health in Ningbo city.

Methods: From December 2012 to June 2013, we conducted a questionnaire investigation among college students in Ningbo city about the effects of network education on their knowledge about sexual psychology, sexual physiology, sexual ethics, and reproductive health.

Results: A total of 7 362 college students accomplished the investigation, of whom 2 483 (42.

[Sexual function and mental state in patients with redundant prepuce or phimosis].

Objective: To investigate the correlation of sexual dysfunction with psychological abnormalities by analyzing the sexual function and mental state of the patients with redundant prepuce or phimosis.

Methods: This study included 216 randomly selected patients with redundant prepuce or phimosis and 85 normal male controls. We conducted investigations among the subjects using a questionnaire on the general data of the patients, Chinese Index of Sexual Function for Premature Ejaculation (CIPE), International Index of Erectile Function (IIEF), and Symptom Checklist 90 (SCL-90).

[The serum levels of cytokines in patients with rheumatoid arthritis associated interstitial lung disease and their clinical significance].

Objective: To study the clinical significance of matrix metalloproteinase-9 (MMP-9), tissue inhibitor of metalloproteinases (TIMPs) and transforming growth factor beta 1 (TGF-beta1) in the serum of patients with rheumatoid arthritis (RA) associated interstitial lung disease (ILD).

Methods: Twenty-nine patients with RA only (the RA group) and 28 patients with RA associated ILD (the RA-ILD group) were included in the study. Patients in the RA-ILD group were divided into 2 subgroups, 16 in the early RA-ILD group and 12 in the late RA-ILD group.