(AUDIO) The past year has been revolutionary for HIV-positive patients, both in medical care and in policy. And more is in store for the coming year, according to Dr. Michael Horberg of Kaiser Permanente. Listen as the immediate past president of the HIV Medicine Association briefly reviews events of 2013 and forecasts 2014.

About one-third of HIV-infection individuals show abnormal kidney function, particularly African-Americans. The watchword of prevention and treatment is screening and early, effective use of antiretroviral therapy.

Antimicrobials delivered in the products already used during sexual activity show great promise for protecting particularly vulnerable individuals against transmission of HIV.

A 20-year-old woman presents in mid-winter with a mildly painful, swollen, and discolored left toe of a week’s duration. What cause do you suspect?

A homeless man with lithophagia; hereditary trichoepithelioma; IBD mimics: can you answer this week's quiz questions about these and 2 other disorders?

This lesion in a previously healthy 40-year-old man, which was initially a small pustule, has enlarged into an open wound. What does this look like to you?

A 16-year-old boy had an asymptomatic, hyperpigmented, hairy lesion on his left upper back. What's your diagnosis?

I started kissing patients in med school. And I haven’t stopped.

Recent studies have linked obesity with a number of clinical concerns, ranging from kidney disease to pancreatic cancer to hearing loss in women.

Confusion about multiple insulin products; nonadherence to the prescribed regimen; the patient’s injection technique . . . here: a look at why errors occur when insulin is prescribed-and how to prevent them.

Four photos, 5 short real-life cases: can you solve these 5 diagnostic mysteries?

A 45-year-old man of Hispanic ancestry has had mild redness and irritation in both eyes, but he denies any change in vision. What is this?

“My mother was diagnosed with incurable lung cancer. I made a comic strip about it.” The idea: combine the art with the medicine.

A vaccine that is used to prevent TB may help prevent MS in persons who show the beginning signs of the disease, according to a new study.

Women who have post-traumatic stress disorder gain weight more rapidly than women who do not and are more likely to be overweight or obese.

Here: 5 cases submitted by your colleagues: see if you know what the findings in each case indicate.

". . . EHR usability represents a relatively . . . unique and vexing challenge to physician professional satisfaction.” The quote from study authors sums up the bulk of the sentiment-to-date.

The location is unusual, but the appearance is characteristic. Your dx?

Why do committees set up to foster physician wellness often sputter and often die a quick death? Family physician and burnout coach Dr Dike Drummond reviews the reasons, and offers practical solutions. Read more, here.

Cutaneous hyperpigmentation and papules coupled with active GI bleeding and a submucosal mass. What’s the diagnosis-and the chief clinical concern?