In the case of Yoga, a recent pilot study at Indiana University showed some positive results in using yoga as a follow-up to physical rehabilitation therapy for elderly stroke victims.

FORBES: Are Yoga and Tai Chi Good Candidates For Physical Therapy?

Bristol-Myers Squibb ( BMY) and Pfizer ( PFE) announced over the weekend positive results in a Phase 3 trial that compared Elquis to warfarin for the prevention of stroke or systemic embolism in patients with atrial fibrillation and at least one risk factor for stroke.

FORBES: Bristol-Myers, Pfizer Announce Positive Results; An FDA Approval for Pfizer

Another positive: Earlier this week, the U.S. Food and Drug Administration approved Cozaar for use in preventing stroke.

FORBES: For Merck, Steps In The Right Direction