Among the disorders in the spotlight this week: intussusception, Celiac disease, sickle cell disease. See how well you do.

Black hairy tongue is characterized by an abnormal hypertrophy and elongation of filiform lingual papillae with an associated “brown” or “black” discoloration.

In a recent study, both baseline and new multiple chronic conditions led to worse health in older patients.

Here: tips from top articles culled from the emergency medical literature, with take-home lessons for primary care.

What do physicians think about medical cannabis? Here: 271 doctors weigh in, with widely varying opinions.

This week: 3 questions on GI disorders, 1 Pneumonia, and the link between the brain and pain. Can you answer all 5 questions?

Antifungal creams haven't made a dent in this intermittent rash. What is this lesion?

Attention to detail and a systematic approach combined with the knowledge and use of specific diagnostic exam tests will help minimize missing common orthopedic soft tissue injuries. Tips here.

Awareness of medical conditions and drugs that can suppress the immune system or cause other complications is key to providing safe and appropriate care for immunosuppressed patients. Details here.

Parents with overweight children did not perceive the extra weight as a health risk.

Peanut butter and a ruler may turn out to be tools that offer an inexpensive, sensitive, and specific olfactory means of screening for Alzheimer disease. Details here.

Basal cell carcinoma often has a distinct appearance: a waxy bump that is pearly or translucent, with a rolled border is classic. But its appearance can raise suspicion for other conditions-mainly melanoma. Here are some examples of typical and atypical BCCs.

A significant proportion of patients who visit emergency departments (EDs) with opioid overdoses (ODs) also suffer from comorbid mental health disorders, circulatory diseases, and respiratory diseases, according to the results of a new study presented on October 14, 2013, at the American College of Emergency Physicians annual meeting in Seattle.

Pneumatosis cystoides intestinalisa rare condition, is characterized by gaseous cysts within the submucosal and subserosal spaces of the bowel wal

Here: 5 things (at least) you may not know about human viral hepatitis.

Diet diaries and food frequency questionnaires are both effective tools to capture important patterns between food items and symptoms of IBD.

When it comes to the prostate, most men in this study couldn’t locate it or identify its function. Translation: patients and physicians don’t speak the same language. Clinicians need to be “bilingual” when they’re talking with patients.

Which test should you order if you suspect Clostridium difficile infection-and how often do you check the stool for the C difficile toxin? Here: the answer-and explanation.

Keeping your patients satisfied can help keep you sane-and possibly even happy. Here: strategies for enhancing clinician/patient communications.

Obesity, a health hazard in its own right, is linked with heart disease, diabetes, and a wide range of other clinical concerns. This week’s photo quiz offers a variety of presentations to test your diagnostic acumen.