Answer:
The Adrenal Gland
Explanation:
The adrenal glands (also known as suprarenal glands) are endocrine glands that produce a variety of hormones including adrenaline and the steroids aldosterone and cortisol. They are found above the kidneys. Each gland has an outer cortex which produces steroid hormones and an inner medulla.
You need to get it every 10 years
as far as i can tell, yes. If you are hallucinating and really losing it, your senses are all tripping, so you can taste hallucinations. Under the influence of drugs, such as LSD, you can taste color, Hallucinations are not limited to sight and sound.
The flu is spread every 30-45 years since the 16th century, so we know when to prepare and how to do it. Also, we have learned where it will strike and the containment. Hope this helps! :)