Which of the following diseases has marijuana been effective in treating the symptoms?

marijuana been effective in treating the symptoms of: cancer and glaucoma

In most cases, Chemoteraphy treatment for cancer and glaucoma will cause the patients to feel extreme nausea which prevent them from functioning properly in their job.  Consuming marijuana will help the patients to cope with this nausea and help them do their normal job.

Slowing down your reps and holding them out for longer one increases the intensity.  the entire paragraph is correct.