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If you notice a decline in your sense of smell, there may be reason for concern. Olfactory function naturally decreases with age, and its loss can also be an early indicator of neurodegenerative disorders. New research links a declining sense of smell to a faster accumulation of Alzheimer’s-related brain changes observed in brain scans.
Everywhere in our surroundings, minuscule plastic fragments invade the human body daily through foods and liquids we consume, and airborne particles we inhale. These pervasive invaders spread throughout every organ and tissue, reaching even the brain, where buildup may spark symptoms resembling Alzheimer's disease. A new study revealed concerning levels of microplastic buildup in the human brain.
A recent study suggests that consuming high-fat foods for just a few days can trigger issues, including cognitive decline. Availability of brain glucose is rapidly and reversibly reduced, activating inhibitory neurons and disrupting memory formation. The results highlight the significant role of nutrition in contributing to cognitive decline and the development of Alzheimer’s disease.
A recent study found that certain sugar substitutes may have unforeseen negative effects on long-term cognitive health. It revealed that heavy consumption of specific artificial sweeteners is associated with accelerated cognitive decline in adults.
Dietary fat is a vital component of our diet, serving as a dense energy source, aiding in vitamin transport, and, when stored, cushioning organs and insulating the body. A fatty meal might feel like a harmless treat. However, new research suggests that just one high-fat meal could restrict brain blood flow, possibly raising the chances of stroke and cognitive decline.
Staying up late with insufficient or low-quality sleep may endanger brain function, particularly for those with higher education. A new study involving adults in their middle and later years revealed that well-educated people who frequently stay up late may face a decline in cognitive function. The research indicates that individuals with lower education levels may have work schedules that permit more sleep.
Dementia is a growing global health challenge that takes a significant toll on both individuals and society. With no cure yet available, finding ways to slow its progression or reduce the risk of developing it is critical for supporting healthy aging. Now, new research points to weight training as a potential way to help protect the brain from dementia.
Adequate sleep is crucial for overall health. Insufficient sleep often leads to heightened cognitive deficits. A recent study reveals that older adults with insomnia face a higher risk of memory decline and long-term cognitive impairments, which can lead to dementia. The study utilized a large dataset and primarily focused on sleep disorders.
The gut and brain communicate through a network known as the gut-brain axis. This is a system of physical and biochemical connections that allows them to influence each other’s function and overall health. Emerging research indicates that regularly consuming vegetable oils may negatively impact both gut and brain health. The word “vegetable” on a label often signals something healthy, but that’s not always the case with oils and fats.
As a person ages, the brain gradually shrinks, losing about 5% of its volume per decade after age 40, impacting its functionality. In a pioneering study, neuroscientists investigated how regular aerobic exercise affects the hippocampus, the brain region responsible for memory.
Scented wax melts are small, highly fragranced wax pieces that release aroma when heated indoors. Unlike traditional candles, they do not burn, making them a cleaner, safer, smoke-free, and supposedly non-toxic alternative. However, a recent study suggests that scented wax melts release high levels of volatile organic compounds comparable to burning candles and even diesel engines. Inhaling these particles has been associated with health risks such as asthma and atherosclerosis.
New research led by the University of Plymouth has found that exposure to green spaces and nature is associated with lower cravings for cigarettes, alcohol, and unhealthy food choices. This is the first study to reveal that passive exposure to close green spaces is linked to not only lower frequency of cravings, but also the strength of those cravings.