👋 Welcome to 5 Things PM! If you’re feeling a little out of whack, you might be dehydrated. The amount of water you need depends on several factors, including body size and activity level, but one simple self-check reveals a lot.

Here’s what else you might have missed during your busy day.

5 things

1️⃣ Military might

Shaving, fitness tests and meritocracy. For President Donald Trump and Secretary of Defense Pete Hegseth, the US military’s new “warrior ethos” comes with ultimatums for hundreds of generals and admirals.

2️⃣ Challenging times

Nearly one-quarter of adults in the US struggled with their mental health last year, a new report found. Nevada, Arizona and Alabama ranked lowest for access to care and treatment. See where your state lands .

3️⃣ ‘The stakes are too high

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