CDC's HeatRisk guidance turns summer heat into a clinic visit before it becomes an emergency-room statistic, with the agency's clinical overview saying heat can worsen physical and mental health and naming infants, pregnant people, older adults, people with chronic illness, workers, athletes, and people without reliable cooling among higher-risk groups. [1]

The useful part is not the color alone, because CDC's five-step Heat Action Plan asks clinicians and patients to screen for risk, plan cooling, talk hydration, check air quality, and manage medications. [1]

That last item is why a heat map belongs in a doctor's office: power outages can affect medical devices and refrigerated medications, and red or magenta HeatRisk days can affect most people or everyone. [2]

The public argument usually starts later, with television getting the heat index and X getting the climate fight, while the CDC page asks the household question of who is checking on the neighbor whose heart medicine, dialysis schedule, psychiatric medication, job site, or apartment cooling makes heat less abstract.

That is not panic but an appointment agenda, because the forecast says when heat arrives and the checklist says who has already made a plan before a dangerous afternoon leaves the frail patient, the home-health aide, and the family pharmacist improvising.

-- NORA WHITFIELD, Chicago