The National Kidney Foundation of Maryland (NKF-MD) will hold its sixth annual Rappel for Kidney Health signature event, 1 to 4 p.m., June 5 and 9 a.m. to 5 p.m., June 6, at the Hyatt Regency Baltimore. Rappel for Kidney Health invites people of all ages – including those with connections to kidney disease, transplant donors and recipients, adventure seekers, media personalities and local celebrities – to go “over the edge” of the 15-story hotel, from the roof to street level. To register for Rappel for Kidney Health, support a participant or learn about corporate sponsorship, visit www.kidneymd.org or call 410.494.8545.