“I will continue climbing and will be back again next year and for at least one or two more years,” Kami Rita told reporters on arrival at the airport in Kathmandu, Nepal’s capital.

"A misdirected or excessive immune response can jeopardize the recovery of the heart function," says Dr. Kami Pekayvaz, lead author of the new study and clinician scientist at Department of Medicine I at LMU University Hospital, LMU Munich.

Kami Dar, chief executive of Uniti Networks, said the mobile internet could help address other challenges including accessing health care.

Kami Rita had climbed Mount Everest twice last year, setting the record for most climbs on the first and adding to it less than a week later.

Kami Rita first climbed Everest in 1994 and has been making the trip nearly every year since.