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Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.
There are approximately 3 million unintended pregnancies in the United States each year.