Average Weather in March in St. Petersburg Florida, United States. In St. Petersburg, the month of March is characterized by gradually rising daily high temperatures, with daily highs increasing by 4Â°F, from 73Â°F to 78Â°F over the course of the month, and rarely exceeding 83Â°F or dropping below 64Â°F.
However, it doesn't appear that marijuana directly causes depression. It's likely that the genetic, environmental or other factors that trigger depression also lead to marijuana use. Some people with depression may use marijuana as a way to detach from their depressive symptoms. Heavy users may appear depressed as a result of the dulling effects of the drug on feelings and emotions. There also are links between marijuana and other mental health conditions. Marijuana use may trigger schizophrenia or detachment from reality (psychosis) in people who are at higher risk of psychosis.
Physical Effects. 1  Breathing problems. Marijuana smoke irritates the lungs, and people who smoke marijuana frequently can have the same breathing problems as those who smoke tobacco. 2  Increased heart rate. Marijuana raises heart rate for up to 3 hours after smoking. 3  Problems with child development during and after pregnancy.