Here’s what your LT1 and LT2 say about your performance potential and how you should be training ...

So you just got your VO2 max number by charting it on your watch, estimating your number at home, or even heading to a lab for a more formal test … but now what? You have that shiny number in hand, ...

VO2 max is an intimidating word for an easy-to-understand biometric: It’s how well your body uses oxygen when you push yourself. Short for “maximal oxygen uptake,” it’s been the gold standard for ...

In a few short years, the concept of “threshold” has gone from niche sports science jargon to mainstream obsession. You want to follow Peter Attia’s advice and maximize your longevity by exercising in ...

In a few short years, the concept of “threshold” has gone from niche sports science jargon to mainstream obsession. You want to follow Peter Attia’s advice and maximize your longevity by exercising in ...

The grisly murders last week of Hollywood director Rob Reiner and his wife Michele, allegedly at the hands of their deranged son, moved me to go back and watch two of my favorite “All in the Family” ...

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. VO2 max measures how much ...

A long-awaited update to slot jackpot tax reporting included in the One Big Beautiful Bill Act will take effect in 2026, the IRS confirmed this week. The updated minimum threshold of $2,000 for slot ...

From 'All in the Family' to regular news network advocacy to roles on 'New Girl' and 'The Bear,' Reiner grew, and grew righteously, in the small-screen spotlight. By Daniel Fienberg Chief Television ...

As the son of the multihyphenate comedy legend Carl Reiner and the comedian Estelle Reiner, humor was clearly in his genes — but Rob Reiner found his own warm-and-fuzzy style, one that lent itself ...

A rookie's "Welcome to the NFL" moment tends to involve some overwhelming on-field experience that conveys an important lesson about the league. Undrafted San Francisco 49ers defensive tackle ...

Ever wonder what VO2 Max really means? It’s your body’s ultimate engine metric—the maximum amount of oxygen your muscles can use during all-out effort. Does aging tank your VO2 Max? Yes; unless you ...