Health News

Stress can impair memory, reduce brain size in middle age

Adults in their 40s and 50s with higher levels of cortisol — a hormone linked to stress — performed worse on memory and other cognitive tasks than peers of the same age with average cortisol levels, research found. Higher cortisol in the blood also was associated with smaller brain volumes, according to the study, published […]

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No sweat required: Hypertension treatment mimics effect of exercise: By targeting the liver, scientists open door to new way of treating high blood pressure

Couch potatoes rejoice — there might be a way to get the blood pressure lowering benefits of exercise in pill form. Hypertension researchers at The University of Toledo have shown that by increasing the body’s supply of beta hydroxybutyrate, a chemical produced predominantly by the liver, it is possible to regulate high blood pressure without […]

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Modifiable dementia risk factor in older adults identified

For older adults, it may seem as though the die is already cast regarding their odds of developing dementia, but new research from the University of Pittsburgh has identified a dementia risk factor among older adults that should be modifiable even well into old age. The study, which draws on data collected from following hundreds […]

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It’s not just for kids — even adults appear to benefit from a regular bedtime: Adults with varied sleep-wake times weigh more, have higher blood sugar, risk of disease

Sufficient sleep has been proven to help keep the body healthy and the mind sharp. But it’s not just an issue of logging at least seven hours of Z’s. A new study on sleep patterns suggests that a regular bedtime and wake time are just as important for heart and metabolic health among older adults. […]

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Heart attack: Substitute muscle thanks to stem cells

Myocardial infarction — commonly known as a heart attack — is still one of the main causes of death. According to the Federal Statistical Office, more than 49,00 people died of its consequences. And yet the mortality after heart attack has greatly decreased over the past decades: As compared to the early 1990s, it has […]

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Widespread use of statins in healthy older people to prevent heart disease not recommended in new study: Any protective effect was limited to those with type 2 diabetes aged between 75 and 84

Statins are not associated with a reduction in cardiovascular disease (conditions affecting the heart and blood vessels) or death in healthy people aged over 75, finds a study published by The BMJ today. However, in those with type 2 diabetes, statins were related to a reduction in cardiovascular disease and death from any cause up […]

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Study provides 10-year risk estimates for dementia, which may help with prevention in high-risk individuals who potentially could benefit from early targeted prevention

A Danish study provides 10-year absolute risk estimates for dementia specific to age, sex and common variation in the APOE gene, which may help identify high-risk individuals who potentially could benefit from early targeted prevention. The study is published in CMAJ (Canadian Medical Association Journal). Dementia is a major cause of disability in older adults […]

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Anxiety, depression, other mental distress may increase heart attack, stroke risk in adults over 45

Adults ages 45 or older who experience psychological distress such as depression and anxiety may have an increased risk of developing cardiovascular disease, according to new research in Circulation: Cardiovascular Quality and Outcomes, an American Heart Association journal. In a study of 221,677 participants from Australia, researchers found that: among women, high/very high psychological distress […]