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COPD exacerbations severe enough to require hospitalization are a red flag for mortality. Preventing or delaying the second after a patient is discharged, and each successive exacerbation, is crucial to extending lifespan.

Pollution, smoking, and stress may work in concert to increase a child's risk of asthma or chronic cough, according to a combination of new studies.

Through our sister site, Physicians Practice, we are able to provide you with news and information you can use to help run your private medical practice from experts covering everything from health IT innovations to small rewards for your office staff. But now we want to hear from our other experts - you. Take our brief editorial survey to tell us what you want to read in the coming year both in print and online. We've provided some topics, you just tell us how interested you are in these ideas. By completing the survey, you'll have the chance to enter to win a $500 Visa gift card. The survey will run through July 27th. No purchase is necessary. Void where prohibited. Visa is not a particular in or sponsor of this Sweepstakes. See official rules for full details.

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For many HIV-positive women, seeing children grow to adulthood has many levels of meaning. In this podcast, a psychologist who has studied many such Moms and their kids has insights for their doctors.

Antiretroviral drugs are lifesavers for HIV-infected patients, but heart disease, cancer, TB, liver disease and other non-AIDS conditions are an issue. Guidance exists for assessing comorbidities, but few doctors follow it.

CT screening for lung cancer proves as cost effective as screening for other common cancers. Listen as the head of the study speaks about the new implications for primary care.

The OraQuick mouth-swab test for HIV may soon be available to the general public over the counter. An infectious diseases expert says this is needed because primary care isn't testing enough people for HIV.

Chronic pain management in the elderly is complex. Safe and effective use of analgesic medications in geriatric patients requires risk-benefit analysis.

A 53-year-old man presented for medical attention after he had used his wife’s eye drops for 3 days for his itchy eyes. The eye drops contained a mixture of neomycin, polymyxin-B, and hydrocortisone. What do you suspect is going on? More details here...

HIV transmission statistics, combined with advice that the FDA approve a drug combo to prevent HIV among healthy at-risk individuals, may have troubling implications.

Adenovirus infection is usually benign in healthy children, but it can be complicated by severe or fatal pneumonia, myocarditis, and hepatitis. Consider adenovirus infection in children with fulminant hepatic failure.

Benign mucous membrane pemphigoid is an autoimmune disease; that involves the oral mucosa and eyes. Clinical signs: edematous bright red gingiva and bullae formation.

Psoriatic arthritis can be treated with the new TNF-alpha inhibitor biologic drugs, etanercept, adalimumab, or infliximab.

HIV and AIDS are becoming more common among people over 50, for many reasons. Providing adequate treatment can be a challenge. New guidelines are here to help.

A 58-year-old man presented for care when he noticed a flat, dark area on his left upper arm. The lesion was set against a background of fairly severe photodamage. Family history was positive for melanoma (mother and 1 of 4 sisters). Click here for more details.

Whether Mom or infant takes the drugs, antiretrovirals during the first 6 months protect breast-fed infants against contracting HIV. In this interview, the lead author of the CDC-led study discusses the implications.