How do tears work to fight infections?

Why do some mental health professionals refer to mental illness as a myth? Do you need a tetnus shot when getting stabbed by a pen? After carpal tunnel surgery do you need to wear a wrist splint? Can pregnancy spotting appear when period usually comes that's why girls usually confuse with period? Why do we pee when we laugh too much? Does James almondson have aids? I have a cold sore that wont heal. It will crust and fall off and then form a new blister in the same spot. Is there a reason for this? Is it easier to get Toxic Shock Syndrome with a pad or tampon? Where does the head and brain recevie their supply of oxygenated blood from? What is the fine subunit of muscle fiber? Does espiritu de canela grows hair? What keeps the tibia from slipping sideways off the talus? What color are nat zang's eyes? What does a Stage II pressure ulcer look like? What could cause black fingertips? What function of hinge rigion of antibodies? Do Stimulants are designed to stimulate the central nervous system? Had a misscariage but didnt go to the hospital bleed for 3 days then stopped is that normal? What is the bone in front of the heart? Why do I want to burn things?