Contagious yawning refers to the tendency of individuals to yawn after seeing, hearing, or even thinking about someone else yawning. About 40% to 60% of people exhibit contagious yawning when exposed ...
Medically reviewed by Lauren Schlanger, MD Key Takeaways Lyme disease cannot spread from person to person through touch, saliva, or sex. The most common way to get Lyme disease is through the bite of ...