Report Abuse. Yes, I'm sorry but they eat blood. That's why they are usually found on the scalp and not in the lengths of the hair. Yes it's very common for kids of all ages to get them I suggest you keep your hair bunched when with your nieces.
Convergence insufficiency is a difficulty or inability of the eyes to converge and work together at a near distance for extended periods of time, such as when reading, writing, drawing, or viewing a computer screen.
The most common cause of eye tics can be attributed to a tic disorder such as Touretteâs syndrome; however other causes may include the following: 1  Stress or anxiety. 2  Extreme fatigue. 3  Side-effects from some medications such as Ritalin, Dexedrine, and Adderall.  Withdrawals from medications such as benzodiazepine.