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Macrocytosis: What causes it?
Enlarged red blood cells (macrocytosis) can be due to many factors.
VLDL cholesterol: Is it harmful?
Like LDL cholesterol, very-low-density lipoprotein (VLDL) cholesterol is considered a type of 'bad' cholesterol.
Vitamin D deficiency: Can it cause high blood pressure?
Too little vitamin D is bad for the bones, but what about the heart? Learn how a low vitamin D level may affect blood pressure.
Arcus senilis: A sign of high cholesterol?
With this condition, older adults develop a gray arc around the cornea of the eyes.
What's the difference between H1N1 flu and influenza A?
H1N1 flu is a subcategory of influenza A.
Premenstrual dysphoric disorder: Different from PMS?
Extreme moodiness, intense sadness or marked irritability in the days before your period — along with your usual PMS symptoms — could be PMDD.
Digestion: How long does it take?
Digestion takes about two to five days, depending on your system.
Discolored semen: What does it mean?
Find out what causes discolored semen.
Lung nodules: Can they be cancerous?
Lung nodules are common. Most aren't cancer. Find out what tests might be recommended if you have a lung nodule.
Swallowing gum: Is it harmful?
Your body can't digest chewing gum. So what happens when you swallow it?
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