Why is there a blood shortage every summer? The American Red Cross declared an emergency blood shortage in July 2026 after the national blood supply fell about 25% — leaving hospital distributions running roughly 3,500 units short per week. Blood shortages happen nearly every summer because donors travel and fall out of routine, and school-based […]
Why is it harder to sleep in summer? It’s not in your head. A study of 765,000 U.S. residents published in Science Advances found that each 1°C rise in nighttime temperature was associated with approximately three additional nights of insufficient sleep per 100 people per month — with the largest effects during summer (Obradovich et […]
How common are grill fires and fireworks injuries? U.S. fire departments respond to an average of 12,141 home grill fires per year, causing 15 deaths, 171 injuries, and $241 million in property damage (NFPA, 2020–2024). CPSC reports an estimated 13,000 fireworks-related ER injuries in 2025 — with sparklers alone accounting for 1,300 injuries. Sparklers burn […]
Does extreme heat affect people with chronic conditions differently? Yes. Extreme heat poses elevated risk for people managing heart disease, diabetes, kidney disease, and lung conditions. NYC Health Department data shows that 89% of heat-stress deaths involved at least one chronic health condition. CDC identifies certain daily medications — including some blood-pressure medicines, diuretics, antihistamines, […]
How common are summer allergies and how do they affect work? More than 1 in 4 U.S. adults — approximately 25.7% — have seasonal allergies (CDC/NHIS). Grass pollen, the primary summer trigger, peaks from late May through July. Research published in the Journal of Occupational and Environmental Medicine found that allergic rhinitis costs employers an […]
How do you prevent food poisoning in summer? CDC estimates that approximately 48 million Americans — about 1 in 6 — get sick from a foodborne illness each year, resulting in an estimated 128,000 hospitalizations and 3,000 deaths. Risk increases in summer because bacteria multiply fastest between 40°F and 140°F (the “danger zone”), and outdoor […]
How do you prevent tick and mosquito illness in summer? CDC reports that tick bite ER visits in 2026 are at their highest seasonal levels since 2017 across most U.S. regions (CDC, April 2026). An estimated 31 million Americans are bitten by a tick each year, and approximately 476,000 are treated for Lyme disease — […]
