22 2 LINKEDINCOMMENTMORE

WASHINGTON (WUSA9) -- Tonight Crossfit, P-90-X, Insanity and other trendy workouts are fast-paced, and promise to get your body in top shape. Find out in tonight's health alert the injuries that could come with the territory.

Also on 9News tonight:

Chris Brown is back in town and looking for a deal in his D.C. assault charge. WUSA9 was there. Find out what's next for the singer tonight at 11.

Plus tax on workout memberships in D.C. could become a reality. An attempt to stop it failed on Tuesday. Will you soon be taxed to stay fit? Find out who's fighting it.

Some Americans could be returning from World Cup in Brazil with something more than good vacation stories. They just may have contracted a virus, known as Chikungunya . It might not kill you but it can make you pretty sick, health officials say.

A yellow alert is in effect tonight until midnight. Topper Shutt tells you tonight if the rain will hold up or if there's sunshine on the way.

Read or Share this story: http://on.wusa9.com/1msQa62