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If you have a headache or eye pain after viewing the solar eclipse—even if you wore eclipse glasses—you’re not alone. But don’t panic. Experts say it’s probably not a sign of serious damage.Looking straight at the eclipse without protective glasses can potentially cause permanent damage to your vision. It’s dangerous to look directly at an eclipse—except during the period of "totality," when the sun is entirely covered by the moon—for the same reason it’s never a good idea to stare at the sun: its light can burn your retina, a risk that’s formally known as solar retinopathy.But if you suffered this kind of damage, you’d be more likely to experience visual disruptions—such as blurriness, light sensitivity, or dark spots—over the following hours, rather than eye pain. The retina doesn’t have...

The U.S. Food and Drug Administration’s accelerated approval program is meant to give patients early access to promising drugs. But how often do these drugs actually improve or extend patients’ lives?In a new study, researchers found that most cancer drugs granted accelerated approval do not demonstrate such benefits within five years.“Five years after the initial accelerated approval, you should have a definitive answer,” said Dr. Ezekiel Emanuel, a cancer specialist and bioethicist at the University of Pennsylvania who was not involved in the research. “Thousands of people are getting those drugs. That seems a mistake if we don’t know whether they work or not."The program was created in 1992 to speed access to HIV drugs. Today, 85% of accelerated approvals go to cancer drugs.It allows th...

The largest producer of fresh eggs in the U.S. said Tuesday it had temporarily halted production at a Texas plant after bird flu was found in chickens, and officials said the virus had also been detected at a poultry facility in Michigan.Ridgeland, Mississippi-based Cal-Maine Foods, Inc. said in a statement that approximately 1.6 million laying hens and 337,000 pullets, about 3.6% of its total flock, were destroyed after the infection, avian influenza, was found at a facility in Parmer County, Texas.The plant is on the Texas-New Mexico border in the Texas Panhandle about 85 miles (137 kilometers) southwest of Amarillo and about 370 miles (595 kilometers) northwest of Dallas. Cal-Maine said it sells most of its eggs in the Southwestern, Southeastern, Midwestern and mid-Atlantic regions of t...

“You may feel a sharp pinch, but it will all be over quickly.”Before the COVID-19 jab was plunged into our arms, most of us probably heard words similar to these. After the anticipated pinch, the nurse or doctor likely told us something about possible vaccine side effects. For one of us, the nurse’s forewarning was rather specific: “Around 12 hours from now you may experience a pain in your arm or feel flu symptoms. But don’t worry,” the nurse aimed to reassure. “This can be easily managed by Tylenol.”Sure enough, like clockwork, 12 hours later, the symptoms manifested.An estimated 30% of people who received the COVID-19 vaccine also reported nasty side effects. Making matters worse, like a nightmarish self-fulfilling prophecy, the very words used by clinicians might well have caused some ...