It is often said that stroke affects men and women differently. Now, scientists say the location of the stroke’s damage in the brain may help explain why. Women have more strokes, and are more likely to have symptoms such as fatigue and mental confusion rather than classic indications such as paralysis. Women also tend to…  read on >  read on >

Dogs may be man’s best friend, but cats may hold critical keys to humans’ health. Our feline friends have the potential to become a valuable model for genetic research, because their genome is similar to that of people, according to Leslie Lyons of the Feline Genetics Laboratory at the University of Missouri in Columbia. “Using…  read on >  read on >

New data show that protection from both doses of the Pfizer COVID-19 vaccine decreases slightly over time, but that a third dose significantly boosts levels of antibodies against several variants of the virus, including the highly contagious Delta variant that’s now dominant in the United States. Not everyone thinks a third dose is necessary or…  read on >  read on >

Starting Aug. 2, the United Kingdom will allow fully vaccinated travelers from the United States into the country without having to quarantine upon arrival, officials there announced Wednesday. Right now, people who have been vaccinated in Britain don’t have to isolate when returning from most “amber list” countries, but that exemption doesn’t apply to people…  read on >  read on >

Republicans who say they won’t get the COVID-19 vaccine are more likely to reconsider their stance if high-profile Republicans urge them to take the jab, a new study finds. Similar vaccination pleas from Democratic sources may actually harden their resistance, researchers found. Unvaccinated Republicans exposed to an endorsement by Republican elites like former President Donald…  read on >  read on >

Don’t believe everything you read on social media about cancer and cancer treatment. A new study finds that one-third of the most popular articles on social media about treatment for common cancers contains misinformation — and most of it can be downright dangerous. “The worst-case scenario is when it leads to a person declining proven…  read on >  read on >