Arthritis is the number one cause of disability in the United States, affecting more than 50 million people, including 300,000 children and their families.

On Sunday, scores of people will be walking together, supporting each other and raising funds to find a cure for arthritis.

The event is at Nationals Park and features a three-mile and one-mile course.

Also, at the Park, information about arthritis and fun activities for the entire family. Pet owners are encouraged to bring their dogs.

You can still register by clicking here. Remember: every step counts, every dollar matters.

Swimming is one of the best exercises for people of all ages, but it is not risk free. Next week is Health and Safe Swimming week.

The focus is on simple steps swimmers, pool operators and public health officials can take to prevent drowning, pool chemical injuries and outbreaks of illnesses.

The week will highlight swimmer hygiene and the need for swimmers to take an active role in helping to protect themselves and prevent the spread of germs.

And it's Stroke Awareness month! Two area hospitals have earned Quality Achievement Awards for Stroke Care.

Sibley's Stroke Program and the Suburban Hospital-National Institutes of Health Stroke Center were honored for developing and implementing specific quality improvement measures to help prevent strokes, reduce death and disability for stroke patients.