ADHD probably results from a combination of factors. In addition to genetics, researchers are looking at possible environmental factors. They are also studying how brain injuries, nutrition, and the social environment might contribute to ADHD.
Cells are similar to bricks because they are the simplest form of a bigger thing (building) and both cells and bricks are stacked upon each other and function to one primary job such as keeping the body together or supporting a building
Because the older they are the have a lot of health problems
Answer:
it reduces the chances of getting an STD and/or AIDS
Explanation: