|
|
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
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.
There are more sensory neurons in the tongue than in any other part of the body.
There are more nerve cells in one human brain than there are stars in the Milky Way.
Illicit drug use costs the United States approximately $181 billion every year.
![History of the number of observed sunspots during the last 250 years, which shows the ~11-year solar](https://biology-forums.com/gallery/47/medium_12359_16_06_12_7_11_02.png)
![During my research in India, I interviewed this 8-year-old girl. Mahashury is a bonded laborer who ...](https://biology-forums.com/gallery/27/medium_660366_13_04_17_6_20_47_27688377.png)