Anemia occurs when the body does not have enough healthy red blood cells, or when the amount of hemoglobin in the blood is low. The red blood cells in the blood carry oxygen throughout the body. A protein called hemoglobin allows the red blood cells to absorb and release oxygen. Without enough red blood cells or hemoglobin, the body doesn't get enough oxygen. Symptoms of anemia may then occur.
Atopic dermatitis is a skin inflammation caused by sensitivity to something in the environment. It often runs in families and may occur along with hay fever, asthma, or nasal allergies. This video explores the possible triggers for the condition and who is at risk.
Epilepsy is a seizure disorder that affects thousands of adults and children. A seizure is when the brain has a burst of abnormal electrical signals over a short period of time. These signals cause the body and brain to react in certain ways. This video discusses the causes of epilepsy and what treatments are available.
Lyme disease is an illness spread by the bite of an infected tick. A bull's-eye rash is a typical symptom that identifies this illness, which untreated can affect many parts of the body. This video explains how the illness develops and what you can do to protect yourself against tick bites.
