In backstroke, the arms contribute most of the forward movement. The arm stroke consists of two main parts: the power phase (consisting of three separate parts) and the recovery. The arms alternate so that always one arm is underwater while the other arm is recovering. One complete arm turn is considered one cycle.
Marijuana is not considered useful for treating petit mal or absence seizures and may even worsen them. Some patients find that marijuana works in conjunction with other drugs they are taking. Others find that marijuana works best for them when it is used without other drugs.
But scientists now claim stronger strains of marijuana are causing second-hand pot smokers to test positive for the drug in a urine analysis. Being close to a marijuana smoker in a confined space could also cause non-smokers to have minor problems with memory and coordination, according to a new study. Scientists claim strong strains of marijuana can cause second-hand pot smokers to test positive for the drug in a urine analysis. It could also cause them to have minor problems with memory and coordination without ever knowing, according to a new study.