An 86-year-old Japanese alpinist and professional skier Yuichiro Miura has given up on his attempt to conquer the 6,959-meter Mt. Aconcagua, the highest peak in South America, on doctor's orders, his office said Monday."I was confident that I could climb to the top, but decided to follow the doctor's order," Miura was quoted as saying by the office. The alpinist, who had reached the camp Plaza Colera at about 6,000 meters, is in good health and has already descended the mountain, the office said.Miura, who became the oldest person to conquer Mt. Everest at age 80 in 2013, had been waiting a…READ FULL ARTICLE