Towering 8,611m and reaching into the heavens like a snowcapped pyramid, K2 is the world's second-tallest mountain (topped only by Everest) and arguably the hardest to climb. In Peak Danger ...
Men who brave high altitudes to climb or hike are at an increased risk of infertility according to a new study. And, while the damage appears to be reversible, it could take months for their fertility ...