It lists a solution of vinegar and vegetable oil-based soap for cleaning vinyl. To make organic cleaning effective, invest in a brush designed for cleaning pool liners. Organic dish soaps and common household products offer organic options for keeping the pool liner clean and helping to make it last.
During the 1970s, doctors narrowed ADHD down to three types: primarily inattentive, primarily hyperactive-impulsive, and combined type. ADHD was known as ADD (attention deficit disorder) for quite some time. In 1994, the H was added to the name.Experts changed the name because hyperactivity was such a significant and common symptom of the condition.uring the 1970s, doctors narrowed ADHD down to three types: primarily inattentive, primarily hyperactive-impulsive, and combined type. ADHD was known as ADD (attention deficit disorder) for quite some time. In 1994, the H was added to the name.
To this point, direct examination of brain activity as a window into the clientâs mind has remained elusive. But advances in the field of brain examination using electroencephalographs (EEGs) may be changing all that. The first EEG was developed in the 1920âs by the German psychiatrist Hans Berger. He developed it to test the biological electricity produced in the brain, and first used it during brain surgery performed in 1924 on a 17-year-old boy.