The filament in a light bulb is housed in a sealed, oxygen-free chamber to prevent combustion. In the first light bulbs, all the air was sucked out of the bulb to create a near vacuum -- an area with no matter in it. Since there wasn't any gaseous matter present (or hardly any), the material could not combust.
Sertraline is used for a number of conditions including: major depression, obsessive-compulsive disorder (OCD), body dysmorphic disorder (BDD), posttraumatic stress disorder (PTSD), premenstrual dysphoric disorder (PMDD), panic disorder and social phobia (social anxiety disorder).
849 Zoloft users have rated its effectiveness for Anxiety. Overall ratings: 3.2/5. Long term ratings: 3.5/5. This is a reivew of how effective Zoloft (sertraline hydrochloride) is for Anxiety and for what kind of people. The study is created by eHealthMe and is updated continuously. On eHealthMe you can find out what patients like me (same gender, age) reported their drugs and conditions on FDA and social media since 1977.