Bleeder's — Disease

Recent breakthroughs are aiming for "cures" by using viruses to deliver functional genes into the patient's liver, allowing the body to produce its own clotting factors.

While it remains a lifelong challenge, hemophilia is no longer the death sentence it was in the Victorian era; it is now a manageable chronic condition.

There are two primary forms, depending on which protein is missing: bleeder's disease

Decades ago, the prognosis for someone with "bleeder's disease" was poor, often involving a short life expectancy and severe physical disability. Today, the landscape has changed:

Since females have two X chromosomes (XX), a healthy gene on one can usually compensate for a faulty one on the other. The Royal Connection Recent breakthroughs are aiming for "cures" by using

Severity is classified by how much "factor" is present in the blood. Those with hemophilia may experience "spontaneous bleeds"—bleeding that happens for no clear reason, often into the knees, elbows, or ankles. Modern Management

Regular infusions of replacement clotting factors allow patients to lead near-normal lives. Today, the landscape has changed: Since females have

Also known as "Christmas Disease" (named after the first patient diagnosed with it), caused by a lack of Factor IX .