Hiking at high altitudes pushes the heart to work harder to pump blood more efficiently due to the decreased oxygen levels.

Climbing Mt. Everest is an undeniably ambitious achievement. If this is an undertaking you wish to accomplish, here is our ...

If your condition worsens, you may begin to have difficulty hiking. Scenarios like this are not uncommon, so it's essential that you understand the physiological effects of high altitude. Altitude is ...

High-altitude hiking, sleep apnoea and other conditions which deprive a man's testes of oxygen, could be contributing to a decline in fertility over the past 50 years, a new study has suggested.

Dr. Lord explained that while high-altitude activities such as hiking can cause lack of oxygen in the testis, or hypoxia, the effects on fertility are usually only temporary. "The good news for ...

Start with a moisture-wicking base layer to keep sweat in check. Next, add a lightweight fleece or wool for insulation, and top it off with a waterproof, breathable outer layer. Shailene regularly ...

The immediate effects of low oxygen on sperm quality are temporary, but new evidence suggests that a long-term decrease in ...

Young people, she added, are at a higher risk for developing high altitude cerebral edema because their brains are a larger size. When traveling or hiking above 10,000 feet, avoid increasing your ...

The condors appeared at 5,000 meters. They were not real. I got altitude psychosis a few hundred meters from high camp as I scaled the frigid face of Huayna Potosí, one of the highest mountains ...

A lack of oxygen in the testes, or testis hypoxia, caused by chronic medical conditions -- such as sleep apnoea or varicocele -- can be a sustained threat to reproductive health, lead author, Tessa ...