1.   Alcohol affects the brain, making speech slurred and imprecise.

2.   Research has shown that there are gender differences in the way alcohol affects the brain.

3.   The brain can be affected by permanent injury after a serious accident.

4.   And every day he swallows a tablet of naltrexone, a drug that prevents heroin and other opiates from affecting his brain.

5.   And new research is exploring a possible connection between OCD and streptococcal infections that can lead to an autoimmune disorder that affects the brain.

6.   As expected, they all affected the brain in a different way from BSE and vCJD.

7.   ADDICTION-AFFECTS -- This is how scientists describe what happens with substance abuse, how it affects the brain.

8.   But the study of how intensive computer use affects the brain and alters sleep is in its infancy.

9.   Damage to other organs in the body can cause drops in blood pressure or in oxygen concentration in the bloodstream, both affecting the brain, Harben said.

10.   From your research into computer learning, do you think Internet use negatively affects the brain in any way?