<div dir="ltr"><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000000">Produced by the lungs?  Who knew the lungs were endocrine glands?</div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000000"><br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000000"><a href="https://neurosciencenews.com/melatonin-lungs-covid-17632/">https://neurosciencenews.com/melatonin-lungs-covid-17632/</a><br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000000"><br></div><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:large;color:#000000">bill w</div></div>