In medicine, a cohort study is often undertaken to obtain evidence to try to refute the existence of a suspected association between cause and effect; failure to refute a hypothesis often strengthens confidence in it.
Rifampin (Rifadin Â®) is a prescription antibiotic that comes in oral (taken by mouth) and injectable forms. Oral rifampin is approved for the following uses: 1  To treat tuberculosis, usually along with other tuberculosis medications.
What is Modafinil? Modafinil is indicated in adults for the treatment of excessive sleepiness associated with narcolepsy with or without cataplexy. Modafinil is a typical drug that is used to treat sleep-related problems such as narcolepsy, work- related sleep disorders, or excessive sleepiness in the morning.