(NewsNation) — Open enrollment season is here, and for millions of Americans, it's a chance to start saving through one of the most tax-advantaged accounts available.

Health savings accounts, or HSAs, let those with high-deductible health plans set aside pre-tax money for medical expenses — from Advil and X-rays to doctor's visits.

They're widely considered one of the most powerful long-term savings tools thanks to a triple tax advantage: • Tax-free contributions: Pre-tax dollars lower your taxable income. • Tax-free growth: Interest and investment earnings aren't taxed. • Tax-free withdrawals: Money used for qualified medical expenses is tax-free.

As of mid-2025, HSAs had more than $159 billion in assets across 40 million accounts, according to Devenir — a 16 percent jump from th

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