When milliseconds can mean the difference between silver and gold, endurance athletes in sports like marathon running, cycling, rowing and swimming optimize every aspect of their physiology for a competitive edge.

Many of these efforts result in enhancing the performance of mitochondria^[1], the tiny but mighty energy-generating powerhouses within your cells. Carefully calibrated doses of exercise^[2] combined with beneficial stress...

While Jerry Seinfeld, Melissa McCarthy, Amy Schumer and Hugh Grant got top billing, sweet breakfast foods from the 1960s are arguably the real stars of the recent movie “Unfrosted^[1],” a comedy loosely based on the invention of Pop-Tarts.

What’s more, many of those breakfast products from the movie are still household names. When I was a child, I too enjoyed some of the sugary cereals featured in “Unfrosted,” and I...