True, they have collected data from people with and without the flu virus
Bipolar and some pros is that you can get it medically diagnosed and you can get treatment
Answer:
Virus
Explanation:
According to Dmitri Ivanovsky, Virus are the smallest pathogens. In fact, some of them actually infect bacteria too.
<u>-TheUnknownScientist</u><u> 72</u>
This is true. Endorphin's are released during exercise and cause a euphoric feeling.