Number of Children & Adolescents Taking Psychiatric Drugs in the U.S. The following information is the most accurate and documented data available on psychiatric drug usage in the United States. The information is from IMS Health, a company that provides information, services and technology for the healthcare industry. It is the largest vendor of U.S. physician prescribing data.
No, it wasnât Thomas Edison. Light bulbs were in use long before Edison applied for the patent in 1879. British inventor Humphry Davy invented an incandescent light bulb in 1801 and created the âarc lampâ in 1809. In 1835, Scottish inventor James Bowman Lindsay demonstrated a constant electric light in Dundee.
Light Bulb-Although he did not invent the first electric light, Edison made the first practical electric light bulb that could be manufactured and used in the home.