diagnosis

Why Do I Pee So Much at Night?

Does your bladder nag you out of bed overnight? If you have to go to the bathroom more than once during 6-8 hours of Zzz’s, you might have nocturia. Your body may make too much urine, or your bladder can’t hold enough. Sometimes it’s both. There are many possible causes. …

diagnosis

What Is Lupus?

Lupus is a lifelong disorder of the immune system. Immune cells attack the body’s own healthy tissues, leading to inflammation and tissue damage. Symptoms may be limited to the skin, but more often lupus also causes internal problems such as joint pain. In severe cases, it can damage the heart, …

diagnosis

Attention Deficit Hyperactivity Disorder

ADHD stands for attention deficit hyperactivity disorder, a condition with symptoms such as inattentiveness, impulsivity, and hyperactivity. The symptoms differ from person to person. ADHD was formerly called ADD, or attention deficit disorder. Both children and adults can have ADHD, but the symptoms always begin in childhood. Adults with ADHD …

diagnosis

What is alopecia areata?

What is alopecia areata? Alopecia areata is a type of hair loss that occurs when your immune system mistakenly attacks hair follicles ,which is where hair growth begins. The damage to the follicle is usually not permanent. Experts do not know why the immune system attacks the follicles. Alopecia areata is …

diagnosis

Iron poisoning: What you need to know

Iron poisoning occurs when an excessive amount of iron accumulates in the body. It can happen naturally or accidentally. The toxic effects of too much iron worsen over time and may result in death. Iron poisoning is always a medical emergency and is especially dangerous in children. What is iron …

diagnosis

What is Pulmonary Fibrosis?

Idiopathic pulmonary fibrosis (IPF) causes scar tissue to grow inside your lungs. Usually, when you breathe in, oxygen moves through tiny air sacs into your bloodstream. From there, it travels to organs in your body. IPF scar tissue is thick, like the scars you get on your skin after a …

diagnosis

What is pneumonia?

Pneumonia is a lung infection that can make you very sick. You may cough, run a fever, and have a hard time breathing. For most people, pneumonia can be treated at home. It often clears up in 2 to 3 weeks. But older adults, babies, and people with other diseases …

diagnosis

Guide to Atrial Fibrillation

What Is AFib? Atrial fibrillation is a condition that disrupts your heartbeat. A glitch in the heart’s electrical system makes its upper chambers (the atria) beat so fast they quiver, or fibrillate. This causes the lower chambers (the ventricles) to beat out of sync. AFib can be dangerous because it …

diagnosis

How Does a Doctor Diagnose an Allergy?

If you have itchy, watery eyes or a stuffy, runny nose, you could have a cold. But if you feel bad only when you’re outside, are near pets, or eat certain foods, you could have an allergy. Some people with allergies sneeze a lot or get rashes or hives that …

diagnosis

What Are the Symptoms of Myelofibrosis?

Many people who have this rare blood cancer don’t feel symptoms for years because it usually grows so slowly. Over time, myelofibrosis (MF) can affect the way your body makes the three types of blood cells: red, white, and platelets. That can cause symptoms or illnesses. Both men and women …

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