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Measure BOLT The Body Oxygen Level Test (BOLT) The Oxygen Advantage ® By Patrick McKeown Measure BOLT Now As far back as 1975, researchers noted that the length of time of a comfortable breath hold served as a simple test to determine relative breathing volume during rest and breathlessness during physical exercise. 1,2 The Body Oxygen Level Test (BOLT) is a very useful and accurate tool for determining this relative breathing volume. The ideal BOLT score for a healthy individual is 40 seconds....

Many startups are offering learning products based on dubious claims. While the neuroscience of learning is pretty well understood in terms of underlying biological mechanisms, very few interventions have been proven to have a positive impact on these processes. In a sea of unproven strategies, spaced repetition is the strongest …

Magical thinking drives the startup economy — but we need a strong dose of reality.

Sneezes: Salud, dinero, amor

It's not your imagination: McDonald's french fries used to taste a whole lot better. The humble fry has been a huge draw for the company dating back to its origins. Find out how and why the multibillion-dollar fast food icon has changed the flavor of a beloved menu item that was so central to its early success.

People are buying up everything from kids puzzles to 5,000-piece jigsaws to survive the boredom of home isolation.

French fries: A world-famous finger food

Snails: The high price of slime

A highly unexpected turn of events.

Move over steak spice! Take your steak over the top with these 5 best steak sauces that you’ll want to eat with a spoon: mustard cream, classic peppercorn, Japanese Chimichurri, coconut curry, and garlic mushroom. #steak #steakrecipe #recipes #dinner #sauce #steaksauce #reversesearsteak #reversesear