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… bivalent booster because it targets two versions of the virus: the original strain and a newer one called Omicron. Earlier research showed that the bivalent boosters were safe. A new study … looked at vaccine data collected in North Carolina in 2022. Nearly 300,000 people received one of the original boosters. More than 1 million got one of the updated boosters. The … boosters. “The increased effectiveness found in this study demonstrates why it’s important for people to protect themselves with the updated booster, even if they had already gotten the …

… multifocal contact lenses could slow progression of myopia. These lenses have more than one prescription set in a bullseye pattern. The center focuses light on the retina. The outer … children, ages seven to 11. Some children wore single-vision contact lenses. Others wore one of two prescription strengths of multifocal contacts. Researchers measured vision changes … by about 43% over three years,” says Dr. David A. Berntsen of the University of Houston, one of the study’s leads. …

… For nearly a century, bacteria-fighting drugs known as antibiotics have helped to control and … that were treatable for decades are no longer responding to antibiotics, even the newer ones,” says Dr. Dennis Dixon, an NIH expert in bacterial and fungal diseases. Scientists have … at whether antibiotics are effective for treating certain conditions in the first place. One recent study showed that antibiotics may be less effective than previously thought for …

… by stimulating a nerve in the neck while playing a variety of tones. The finding gives hope for a future tinnitus cure in humans. Tinnitus is usually a high-pitched tone in one or both ears, but can also sound like a clicking, roaring or whooshing sound. While tinnitus … scientists reasoned, might induce brain cells to tune to frequencies other than the tinnitus one. The researchers played various tones during VNS to noise-exposed rats with tinnitus 300 …

… your cognitive health—the ability to clearly think, learn, and remember—is important for your overall well-being. Many things influence cognitive health. Your genes, lifestyle, and … remedies can cause these types of interactions. Sometimes, if you have more than one doctor, one might not know what the others prescribed. “Older adults really benefit from … who didn’t drink. This was true even if they started misusing alcohol later in life. The good news, she explains, is that some problems with thinking or memory caused by medications or …

… like? Does guitar music smell sweet or spicy? These questions might sound like nonsense. But for people with a condition called synesthesia, they describe real experiences. We have five senses: touch, sight, taste, sound, and smell. Most people experience their senses one at a time. In synesthesia, one sense can be experienced at the same time as another. For example, a person with synesthesia …

… cause an autoimmune disorder. There are many different autoimmune diseases. Some involve only one type of tissue. For example, in a disease called vasculitis, your immune system attacks your blood vessels. Other …

… U.S. develop aphasia every year. Different types of aphasia affect language in different ways. For example, people with Wernicke’s aphasia can still speak. But they produce long sentences that … The type depends on which area of the brain is damaged. “Language is not located in just one place in the brain. It’s really distributed,” says Dr. Leora Cherney, an NIH-funded aphasia …

… destroys the surface of your teeth. The more sugar in your diet, the more fuel is available for these microbes to build up plaque and damage teeth. “It’s more productive to think about the … that causes disease,” Palmer explains. You can’t stop tooth decay by getting rid of just one type of acid-making microbe. There are several different types of microbes in the plaque that make acid. The good news is that limiting sweets and brushing and flossing regularly can help prevent bad microbes …

… slowly, and it’s not always physical. You may not realize that the small comments a loved one makes to you are doing harm. You may even make excuses for them. They’re stressed from work or the pandemic. But abuse takes many forms. It can be … research suggests that traumatic brain injuries are common. This is especially true for mild ones called concussions. They can have long-lasting effects on brain function. Her team uses …