Opinion Today: Junk exercise data, and Trump’s war on science
Here’s what we’re focusing on.
Opinion Today
February 23, 2026
An illustration of a woman standing in front of a treadmill. The words “come back” are on the treadmill screen. A heart-shaped box is on the treadmill walking belt; flowers are next to it.
Hannah Jacobs

Notable

A lot of exercise research is, quite frankly, bunk. “The limits of our knowledge are a tough pill to swallow (especially since it’s not just exercise; the research on nutrition is equally shaky). It can be frustrating to know there are some questions we’ll never answer. I also think it can be freeing.”

— Emily Oster, the founder and chief executive of ParentData

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Democrats need to change how they govern. “They will have to push back against a core constituency within the Democratic Party that often makes government deliver less and cost more: unions representing teachers, police officers and transit workers.”

— Nicholas Bagley, a law professor, and Robert Gordon, a former senior official in the Biden and Obama administrations

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Trump is actually pretty bad for Putin. “The problem is that Russia remains hemmed in by its war against Ukraine, entering its fifth year. For all his flip-flopping, Mr. Trump has not handed the country to Russia.”

— Hanna Notte, director of the Eurasia Nonproliferation Program at the James Martin Center for Nonproliferation Studies in Monterey, Calif.

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Spotlight

A black and white photo of a plastic medical glove, in the clear shape of a hand, piled on top of other gloves.
Damon Winter/The New York Times

The Human Cost of Trump’s War on Science

Consider the ripple effects of cutting H.I.V. research funding.

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ICYMI

Did the Supreme Court just save the Republic? “The tariff decision is a reminder that principles do still matter, that at least one branch of government is not in thrall to the president, and that we can rely on reason and precedent to decide cases rather than simply counting Republican and Democratic appointees.”

— David French, Opinion columnist

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In Your Words

Re: “Mikaela Shiffrin’s Silent Victory

These people are such great examples of human endurance, of enduring love, of that great human quality to get back up, begin to heal and try again. What great courage they have. What great courage is required to be human. — A comment posted by Marky from Cleveland

Read more comments on the story here and check out our Letters to the Editor.

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