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.
Although there is a mountain of anecdotal evidence that marijuana helps with PTSD, there has been no controlled trial to test how marijuana suppresses the symptoms, including flashbacks, insomnia and anxiety, said Suzanne Sisley, the study's lead researcher. GRAPHIC: Marijuana and tobacco: How times have changed.lthough there is a mountain of anecdotal evidence that marijuana helps with PTSD, there has been no controlled trial to test how marijuana suppresses the symptoms, including flashbacks, insomnia and anxiety, said Suzanne Sisley, the study's lead researcher. GRAPHIC: Marijuana and tobacco: How times have changed.