Honestly? Not much, if it's done right.

Here's the thing: encouraging seniors to get outside and use public green spaces is one of those rare government-adjacent ideas that costs almost nothing and might actually work. Studies have consistently linked time outdoors with lower blood pressure, reduced depression, and improved mobility in older adults. If we're going to spend taxpayer money on health interventions, "go touch grass" is about as fiscally responsible as it gets.

But — and you knew there was a but — the devil is in the execution. San Francisco's parks are a mixed bag. Some are genuinely beautiful, well-maintained spaces. Others are obstacle courses of needles, encampments, and enough fentanyl smoke to make a wellness walk feel more like a hazard than a health intervention. You can't prescribe Golden Gate Park to a 72-year-old and then shrug when they encounter conditions that would make a healthy 30-year-old uncomfortable.

If the city is serious about parks as public health infrastructure for seniors — and for everyone else — it needs to be equally serious about maintaining those parks as safe, clean, accessible spaces. That means consistent maintenance budgets, actual enforcement of park rules, and functioning restrooms. Revolutionary stuff, we know.

The prescription concept itself is sound. It's low-cost, evidence-backed, and respects individual autonomy — seniors get to choose how and where they spend their time outdoors. No new bureaucracy required, no bloated administrative layer between a person and a park bench.

Just make sure the park bench is one worth sitting on.