21.   The disease affects only a few hundred children but causes a severe jaundice that eventually affects the brain, causing retardation and death.

22.   The drug appeared to affect brain centers involved in emotion, learning, memory and other functions.

23.   The endorphins seem to affect the brain in many ways, sometimes acting as the chemical messengers between neurons and sometimes modulating the messages carried by other such messengers.

24.   The dehydration often affects the brain.

25.   The research, he said, suggests that there are psychosocial benefits that directly affect the brain in a life-prolonging way.

26.   The team looked at how tickling affected the brains of volunteers.

27.   They are studying how environmental pollutants, like mercury from municipal waste incinerators, affect developing brains.

28.   In humans, the virus causes meningitis and affects the brain.

29.   It is usually fatal if not treated before it affects the brain.

30.   Last year Switzerland reported five people died of CJD an incurable disease affecting the brain.