Albert Einstein (14 March 1879 â 18 April 1955) was a German-born theoretical physicist.[5] Einstein developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics).[2][6]:274 Einstein's work is also known for its influence on the philosophy of science.[7][8] Einstein is best known by the general public for ...
Methylphenidate is a prescription medication used to treat attention deficit hyperactivity disorder (ADHD) and narcolepsy. It is available in many different forms, including long-acting extended release forms. Methylphenidate extended release is available as the following products:
Methylphenidate (trade names Concerta, Methylin, Medikinet, Ritalin, Equasym XL, Quillivant XR, Metadate) is a central nervous system (CNS) stimulant of the phenethylamine and piperidine classes that is used in the treatment of attention deficit hyperactivity disorder (ADHD) and narcolepsy.ethylphenidate is a commonly prescribed psychostimulant and works by increasing the activity of the central nervous system. It produces such effects as increasing or maintaining alertness, combating fatigue, and improving attention.