|
|
Did you know?
Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
Did you know?
If all the neurons in the human body were lined up, they would stretch more than 600 miles.
Did you know?
Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.
Did you know?
There are more nerve cells in one human brain than there are stars in the Milky Way.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.