The first pill approved by the FDA for preventing HIV in healthy patients doesn't come without concern. Experts worry that the drug does more harm than good.

You may have never heard of it before, but Chagas disease is threatening to become the next deadly epidemic. What is it, and why is it being compared to the early decades of AIDS?

Many diseases are caused by or related to infections. Likewise, infections can worsen almost any disease, including chronic obstructive pulmonary disease ( COPD ) - one of the most common lung diseases.

HIV can be transmitted from mother to her child through nursing. But a surprising ingredient in an HIV-positive mother's milk may protect her baby against infection.

What's worse than morning sickness? How about having the flu while pregnant too? But getting your flu shot while pregnant might do more good than just preventing this miserable outcome.

Taking an HIV test is the first step to protecting yourself and others from the life-threatening virus. Soon, you might be able to learn your status in the comfort of your own home.

Age-related macular degeneration (AMD) is a leading cause of blindness in older adults. However, few risk factors for the eye disease have been identified. A viral infection has now been linked to development of AMD.

As the number of Americans with type 2 diabetes continues to grow, more and more patients are suffering from complications like foot infections. Fortunately, proper care can reduce these complications.

Patients with severe sepsis, a serious type of blood stream infection, were not found to benefit from a dual antibiotic treatment. Organ failure was not found to improve compared to those taking only one drug.