|
|
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Vaccines prevent between 2.5 and 4 million deaths every year.
Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.