Memory

Although memory loss often comes with age, its onset and severity vary widelyand the extent can differ dramatically between individuals. Some people stay sharp into their 90s, while others decline as early as their 50s. A groundbreaking new study points to the bacteria living in our gut as an unexpected source.

A recent study in mice reveals that gut microbes can contribute to cognitive decline in old age, suggesting that age-related memory problems may be actively driven by changes in the gut microbiome and the bacteria residing there.

New findings from Canada's national aging cohort reveal that high obstructive sleep apnea (OSA) risk in adults over 45 is linked to significantly poorer mental health outcomes, both immediately and over time. This association bolsters evidence tying sleep breathing issues to depression and distress in later life.Among individuals with mental health conditions, OSA remains underdiagnosed and undertreated.

Electromagnetic frequencies (EMF) are invisible areas of energy, produced by electricity and various natural or man-made sources, categorized into non-ionizing (low-level) and ionizing (high-level) radiation. The rapid expansion of wireless technologies over the past two decades has dramatically increased everyday exposure to radiofrequency electromagnetic fields, driven by widespread smartphone adoption, Wi-Fi networks, and the rollout of 5G infrastructure.

A recent study finds that people with major depressive disorder have brains that seem markedly older than their chronological age, connecting mental health with accelerated brain aging. While aging occurs naturally, mounting research suggests depression may speed up specific brain aging processes. 

Roughly 1 million people in the U.S. have Parkinson’s Disease (PD), a progressive neurodegenerative condition causing disability over time, with chances rising sharply after age 60. A new study reveals untreated sleep apnea is a major factor that can increase the risk of Parkinson’s disease significantly. The encouraging finding is that CPAP greatly mitigates this elevated risk.

Although fat is distributed throughout the body, research indicates that excess fat in the abdominal region, particularly visceral fat surrounding internal organs, is among the most dangerous. High levels of visceral fat are linked to a greater risk of numerous health problems, including Alzheimer’s disease. New research shows that people with greater muscle mass and a lower visceral fat-to-muscle ratio have brains that appear markedly younger than their chronological age.

With smartphones and screens now a part of daily life for people of all ages, grasping their impact on our health has never been more critical. Americans check their phones on average over 140 times daily. Mounting research reveals that excessive screen use influences virtually every bodily system.

As we grow older, our brains undergo various changes that lead to cognitive decline. The acetylcholine-dependent neurotransmitter system slows with age, primarily causing older adults to struggle with concentration and working memory. It also contributes significantly to neurodegenerative diseases like Alzheimer's.

A ten year-long study explores whether lithium could be crucial in preventing Alzheimer’s disease. It’s the first to confirm that trace amounts of lithium naturally occur in the brain and indicates that this element may play a significant role in preventing and treating cognitive decline.

Foods play a crucial role in influencing our mental well-being, with specific types having a beneficial effect on brain health. Recent research has revealed that consuming fermented foods can be an effective strategy for supporting mental health.

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.