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Did you know?
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
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.
Did you know?
The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.
Did you know?
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
![Immunization with a vaccine. A healthcare professional is injecting a vaccine into the patient’s arm](https://biology-forums.com/gallery/47/medium_14755_11_11_12_7_20_13_10048217.jpeg)
![This girl ran four spinning machines in a cotton mill in Whitnel, North Carolina. Only 4 feet, 3 inc](https://biology-forums.com/gallery/47/medium_6_24_08_15_12_36_52_224172425.jpeg)