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Nurse preparing patient's arm for blood test.

Accurate Blood Test for Alzheimer’s Disease

… are invasive and expensive. One type uses a sample of spinal fluid. Another uses expensive brain imaging. These tests can’t be done in primary care clinics, which limits access for many … to develop blood tests for Alzheimer’s disease. These measure proteins that spill from the brain into the bloodstream. In a new study, researchers looked at how well a blood test, called …
Illustration of woman brushing her teeth.

Mind Your Mouth

… getting older doesn’t necessarily mean you’ll get gum disease. Daily dental care and regular visits to your dentist can reduce your risk of gum disease. Smoking greatly increases your risk …
Illustration of a man stretching.

You’re Never Too Old

… … , a mini exercise guide, shows you how you can be active anytime, anywhere. To learn more, visit the … Go4Life … website. You’ll find exercises, success stories and tips to help you stay …
Illustration of cat sitting on a windowsill looking out at trees, flowers, and specks of pollen.

Seeking Allergy Relief

… trigger symptoms that last all year. If your symptoms become persistent and bothersome, visit your family physician or an allergist. They can test for allergy sensitivities by using a …
Illustration of a person breathing hard while using an indoor stationary bike.

Stopping Middle-Age Spread

… is to maintain an active lifestyle,” de Cabo says. “Try to incorporate daily walks or daily visits to the gym. If you have an office job, get a standup desk, so you spend a few hours a day …
Illustration of a nose surrounded by smelly things, like a rose, garlic, and a smoky fire.

What Your Nose Knows

… can stimulate a combination of these receptors, creating a unique representation in the brain of a particular smell. “It’s estimated that the number of odors that people can detect is … we can detect only 5 basic tastes: sweet, salty, bitter, sour, and umami (savory). But our brains incorporate information from both taste and smell receptors to create the perception of … to discriminate and identify odors. It may stimulate growth of new receptors or improve your brain’s ability to interpret low levels of odors, Beauchamp explains. But researchers are still …
Illustration of a woman picking up a carrot out of the refrigerator.

Dejunking Your Diet

… now looking at what else might be in ultra-processed foods that leads people to overeat. The brain may react differently to those foods, he says, or the gut may send out different signals … brain. DiFeliceantonio’s team is using MRI scans to see how ultra-processed foods affect the brain’s reward system. These are the parts of the brain that are activated by pleasure and drive …
Sign for automated external defibrillator

Bystanders Can Save Lives During Cardiac Arrest

… the person will usually die. When the heart stops beating, blood and oxygen can’t get to the brain. The brain can’t function long without oxygen. A recent study of people who had cardiac arrest found …
Illustration of a miserable-looking man, head on a pillow, unable to fall asleep.

Ringing in Your Ears?

… The problem may exist somewhere in your ear, in the nerve that connects the inner ear to the brain or in the parts of the brain that make sense of sounds. Scientists still aren’t entirely sure what happens in the … bomb blasts, can develop tinnitus due to tissue damage in hearing-related areas of the brain and ear. In fact, tinnitus is one of the most common service-related injuries among …
Illustration of a man and woman laying on the floor with one hand on their chest and the other on their belly

Feeling Stressed?

… less happy.” Davidson’s research is shedding light on how mindfulness affects the brain to improve mood. “Regular mindfulness practices can have an impact on specific circuitry in the brain that we know to be important in emotion regulation,” he explains. For those starting to … Feldman of UCLA, an expert on the neuroscience of breathing. His research has identified the brain circuits responsible for breathing and sighing. Now he’s working to understand how …