Why Climbers Carry the Same Sildenafil Found in Nizagara Up Everest
The same little tablet known for bedroom performance has a far stranger résumé than most people realize — it has been carried, quite literally, up the side of Mount Everest. The sildenafil inside Nizagara moonlights as a high-altitude aid, and the reason why comes down to the exact same chemistry that makes it work down at sea level.
Why Thin Air Squeezes the Lungs
When...