Stress basics
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Albinism
In this group of inherited disorders, the body makes little or no melanin, a pigment that determines hair, skin and eye color and vision development.
Airplane ear
That fullness in your ear when on an airplane that's climbing or descending results from uneven air pressure between your middle ear and the environment.
Air travel with infant: Is it safe?
Planning for air travel with an infant? Know how air travel can affect a newborn's ears and breathing, and what you can do to keep your baby comfortable.
Air travel during pregnancy: Is it safe?
Consider these guidelines if you need to fly while you're pregnant.
Adenomyosis
Displaced endometrial tissue from adenomyosis can cause an enlarged uterus and painful, heavy periods.
Acute flaccid myelitis (AFM)
Know the possible symptoms of acute flaccid myelitis (AFM), a rare but serious condition that affects young children.
Absence seizure
This type of seizure produces symptoms such as a vacant stare, lip smacking and eyelid fluttering.
Abdominal pain
Everyone experiences abdominal pain from time to time. Find out when it might be cause for concern.
Abdominal hysterectomy
Learn why surgery to remove the uterus, known as a hysterectomy, might be done and what to expect if you need this surgery.
3rd trimester pregnancy: What to expect
Third trimester pregnancy can bring Braxton Hicks contractions, backaches and hemorrhoids as you await the start of labor.
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