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, sold under various trade names, Ritalin being one of the most commonly known, is a central nervous system stimulant of the phenethylamine and piperidine classes that is used in the treatment of attention deficit hyperactivity disorder and narcolepsy. The original patent was owned by CIBA, now Novartis Corporation. It was first licensed by the US Food and Drug Administration in 1955 for treating what was then known as hyperactivity. Medical use began in 1960; the drug has become