In the first decade of the 20th century, Einstein produced the theory of the conversion of mass into energy, E=mC(2), which was confirmed by laboratory observations. A new theory of the atom was devised by the English physicist Rutherford in 1913.
Methylphenidate, Methylin. Generic Ritalin. Methylphenidate (methylin) is a moderately priced drug used to treat attention-deficit hyperactivity disorder (ADHD). It is also used to treat narcolepsy. This drug is slightly more popular than comparable drugs. It is available in brand and generic versions.
July 3, 2007 -- Ritalin, a drug used to treat attention deficit hyperactivity disorder (ADHD), may not leave long-term side effects on the brain, a new study shows.The Ritalin side effects study, published in The Journal of Neuroscience, was conducted on rats, not people.DHD is typically diagnosed in children, and Ritalin is one of the most commonly prescribed ADHD drugs, Milner's team notes. The researchers injected young male rats with Ritalin for about a month, starting when they were 1 week old, to mimic Ritalin use in people, who take Ritalin by mouth.