Proton pump inhibitors do not contribute to dementia or Alzheimer’s disease Noting that the prescription of proton pump inhibitors is on the rise among middle-aged and older adults, a team of researchers designed a new study to examine PPIs and the risk of dementia, mild cognitive impairment, and Alzheimer’s disease. They published their study in…
Alzheimer’s gene associated with failure to adapt to cognitive challenge in healthy adults Healthy adults carrying the gene APOE4 — the strongest known genetic risk factor for Alzheimer’s disease (AD) — may struggle to adapt their brain activity to increasing cognitive demands as they get older, according to a study. Alzheimer’s gene associated with failure…
Drinking makes you older at the cellular level The more alcohol that people drink, the more their cells appear to age. Researchers found that alcoholic patients had shortened telomere lengths, placing them at greater risk for age-related illnesses, such as cardiovascular disease, diabetes, cancer and dementia.. Drinking makes you older at the cellular level Source:…
Why social isolation can bring a greater risk of illness Social isolation in the fruit fly Drosophila melanogaster, leads to sleep loss, which in turn leads to cellular stress and the activation of a defense mechanism called the unfolded protein response. Why social isolation can bring a greater risk of illness Source: Science Daily Healthy…
Older obese adults can benefit from moderate exercise Moderate-intensity exercise can help even extremely obese older adults improve their ability to perform common daily activities and remain independent, according to researchers. Older obese adults can benefit from moderate exercise Source: Science Daily Healthy Aging
Newly discovered gene variants link innate immunity and Alzheimer’s disease Three new gene variants, found in a genome wide association study of Alzheimer’s disease (AD), point to the brain’s immune cells in the onset of the disorder. These genes encode three proteins that are found in microglia, cells that are part of the brain’s injury…
Obese and overweight less likely to consider next meal when making portion size decisions Researchers have found that people with obesity tend to ignore how long it will be until the next meal when choosing how much to eat. In a study designed see if people consider the time interval between two meals when selecting…
Replacing a palatable high-fat diet with low fat food causes withdrawal-like symptoms in mice Researchers have found that mice fed a palatable high-fat diet experience stress responses that resemble drug withdrawal when their food is switched to a low-fat diet. A study has identified brain changes in the dopamine neurotransmitter system caused by stress when…
Smelling your food makes you fat Researchers developed ways to temporarily eliminate the sense of smell in adult mice, and discovered that those mice that lost smell could eat a high-fat diet and stay a normal weight, while littermates that retained the sense of smell ballooned to twice normal weight. Supersmellers gained more weight than…
Brain’s immune cells may drive overeating and weight gain Immune cells in the brain trigger overeating and weight gain in response to diets rich in fat, according to a new study in mice. Brain’s immune cells may drive overeating and weight gain Source: Science Daily Nutrition Research