Heart rate change a warning

Change your socks: These are the six best for troops

When your feet feel good, it makes you feel good even in challenging conditions. These are the socks you need for work and play.
Extreme Conditioning

With all the new extreme physical conditioning programs on the market now, some people are going a bit too far.
Study finds taller, heavier female soldiers outperform smaller peers

The most essential tasks were performed better by taller, heavier female Army trainees and soldiers.
At 62, Marine veteran sets the Guinness record with 8-plus hour plank

62-year-old George Hood, who served as an officer in the Marine Corps, set the record for “longest time in an abdominal plank position (male)” with a time of 8 hours, 15 minutes, 15 seconds. Hood has 16 official attempts related to stationary cycling and planking with 13 world records.