Human immunodeficiency virus (HIV) infection results from 1 of 2 similar retroviruses (HIV-1 and HIV-2) that destroy CD4+ T lymphocytes and impair cell-mediated immunity, increasing risk of certain infections and cancers.

Are Direct Primary Care and Concierge Medicine Practices Too Expensive? No, They Actually Save You Money While They Keep You Healthy.

Symptoms of vaginal yeast infections include burning, itching, and thick, white discharge. Yeast infections are easy to treat. Over-the-counter treatments are safe to use

While not as common as HPV, chlamydia, and herpes, trichomoniasis affects 174 million people infected around the world each year.