The following Mark's Daily Apple article was written by Mark Sisson,

and is narrated by Tina Lehman.

CrossFit for Health and Longevity.

There are some who hold the view that, at birth, each of us is allotted a finite supply of energy that exercise depletes, thus hastening our demise.

An intense regimen like CrossFit in this paradigm would do just that, hasten a person's decline and demise. That's wrong, of course. Those who

remain sedentary their entire lives have short, miserable ones, while regular exercisers

enjoy better health throughout their time on Earth. Exercise has real potential to prolong life

and compress morbidity, but it is a major stressor

that, if applied incorrectly or excessively, can reduce health and overall wellness.

Here's the good news for Crossfitters and anyone else engaged in similar combinations of

aerobic, strength, and anaerobic training.

Strength training promotes healthy longevity,

even in people with hip fractures. The stronger your grip, the longer you live, even if you're

overweight. The more lean mass you carry, the better you'll survive injuries and disease. The more

briskly you walk, the lower your mortality risk.

The more functionally capable you are, the longer you'll stick around on this rock.

And in heart failure patients, a combo of endurance and resistance training is better for long-term outlook than just endurance training.

Sound familiar?

Between all the dead lifts, the squats, the box jumps, the multimodal

development of fitness across multiple energy pathways, the muscle endurance, and the strength,

CrossFit appears to support all the pro-Longevity factors listed above. But there are some

things to watch out for that could derail your health and

...