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Did you know?
There are more bacteria in your mouth than there are people in the world.
Did you know?
Your heart beats over 36 million times a year.
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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.
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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.
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Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.
![Dopamine cannot cross the blood–brain barrier. Levodopa, its precursor, can. Once levodopa crosses ...](https://biology-forums.com/gallery/28/medium_482573_23_04_17_10_52_24_282931688.jpeg)
![Horizontal, frontal (coronal), and sagittal planes in the human brain and a cross section of the ...](https://biology-forums.com/gallery/30/medium_548020_02_06_17_12_10_54_30214317.png)