After the nicotine is gone, and the brain stops releasing the positive neurotransmitters, smokeless tobacco users feel tired, depressed, and down. Nicotine also causes the brain to release a chemical called dopamine. Other very addictive drugs like cocaine make the brain release dopamine, too.
The short acting form of Adderall is taken by patients twice a day in tablet form. The recommended starting dose for children 3 to 5 years of age 2.5 mg daily; children 6 years or older is 5 mg once or twice daily. Depending on the individual, an adultâs usual dose is 5 mg to 60 mg daily.
Russell, 26, of Portland, takes Adderall, a drug often prescribed in the United States to treat ADD, that is unlawful in Japan.