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The free and easy trick experts swear by to banish silverfish this fall
BY THE OPTIMIST DAILY EDITORIAL TEAM As the days get shorter and the weather turns damp and chilly, silverfish tend to become more active indoors. These tiny, slithery insects are drawn to warm, humid spaces like kitchens, bathrooms, and basements. And while they don’t bite or spread disease, Read More...
How Nobel-winning discoveries are unlocking new treatments for autoimmune disease and cancer
BY THE OPTIMIST DAILY EDITORIAL TEAM When the immune system works well, it’s a powerful force against viruses, bacteria, and even some cancers. But when it turns against the body’s own tissues, it can cause serious autoimmune diseases. Now, a breakthrough decades in the making has earned Read More...
Closing the longevity gap: what research reveals about why women live longer
BY THE OPTIMIST DAILY EDITORIAL TEAM Across the animal kingdom, females tend to live longer than males, and the same is true for humans. In the U.S., the gap has actually increased to 5.8 years in 2021. The average life expectancy for men is nearly 76 years, while women live to around 81 years. Read More...
Should you work out when you're sick? Doctors explain when to sweat and when to rest
BY THE OPTIMIST DAILY EDITORIAL TEAM When you’re sniffling, sneezing, or just feeling a little off, it can be tempting to power through your usual workout. After all, isn’t exercise good for your immune system? But as cold and flu season ramps up, it’s worth asking: should you really hit Read More...
Huntington’s disease breakthrough: gene therapy slows progression by 75 percent
BY THE OPTIMIST DAILY EDITORIAL TEAM For the first time, doctors say Huntington’s disease, one of the most devastating hereditary neurological conditions, has been successfully treated. The breakthrough comes from an ingenious gene therapy that slowed the disease’s progression by 75 percent, Read More...
Sunscreen goes green: scientists craft coral-safe protection from pollen
BY THE OPTIMIST DAILY EDITORIAL TEAM A team of scientists developed a pollen-based sunscreen that blocks harmful ultraviolet rays without endangering coral reefs. Their findings suggest the new formula could be as effective as traditional sunscreens but without the environmental toll. “We Read More...
How to use borax spray safely and effectively around your home
BY THE OPTIMIST DAILY EDITORIAL TEAM If you’re looking to cut back on harsh chemicals at home, you’re not alone. More and more people are turning to homemade cleaning solutions as gentler, greener alternatives to store-bought sprays. While vinegar-based mixtures have long been a favorite, Read More...
Podcast Transcript October 3, 2025— Bite-Sized Roundup: Cold Plunges, Kimchi, and Global Wins for the Planet
Episode Description: Arielle opens the episode with a quick update—she’s feeling under the weather, so Karissa is taking the reins this week. In this bite-sized round-up, Karissa highlights some of the most intriguing stories from Optimist Daily, including science-backed benefits of kimchi, Read More...
Spooky but safe: how to decorate for Halloween without harming wildlife
BY THE OPTIMIST DAILY EDITORIAL TEAM Halloween brings out the pumpkins, glowing skeletons, and plenty of stretchy fake spider webs. While fun for us, some decorations can create very real dangers for local wildlife. “Birds would definitely be the major concern,” says Jennifer Bloodgood, a Read More...
California takes bold step to remove ultra-processed foods from school meals
BY THE OPTIMIST DAILY EDITORIAL TEAM California is once again leading the way in school food policy. Known for pioneering free school meals for all students in 2022 and for banning synthetic food dyes last year, the state is now poised to become the first in the nation to define and ban Read More...