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There are more nerve cells in one human brain than there are stars in the Milky Way.
The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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.
The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.
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![Synaptic transmission. (a) Action potential reaches synapse; (b) neurotransmitter released synaptic ...](https://biology-forums.com/gallery/31/medium_398119_18_07_17_3_26_38_319752037.jpeg)