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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.
Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.