Trouble thinking, impulsiveness,and addiction are effects of alcohol on the nervous system. Alcohol impairs your nervous system and enables it to not function as it normally would, your thoughts become impaired and often irrational, you become impulsive as your inhibitions are lowered and addiction can occur as you can enjoy the way alcohol makes you feel too much.
The ends of the femur are covered in a smooth, slippery substance called articular cartilage. This cartilage protects and cushions the bone when you bend and straighten your knee. The normal anatomy of the knee.