Chronic kidney disease may carry an increased risk of dementia, according to a Swedish study. In people with chronic kidney disease, the bean-shaped organs gradually lose their ability to filter waste from the blood and eliminate fluids. “Even a mild reduction in kidney function has been linked to an increased risk of cardiovascular disease and…  read on >  read on >

Poor mental health after a heart attack may increase young and middle-aged adults’ risk of another heart attack or death a few years later, a new study suggests. The study included 283 heart attack survivors, aged 18 to 61 with an average age of 51, who completed questionnaires that assessed depression, anxiety, anger, stress and…  read on >  read on >

A bit of booze may help protect your heart by reducing stress-related brain activity, a new study suggests. “The thought is that moderate amounts of alcohol may have effects on the brain that can help you relax, reduce stress levels and, perhaps through these mechanisms, lower the incidence of cardiovascular disease,” said lead author Dr.…  read on >  read on >

That growling dog may actually be terrified of you. Fear and age-related pain are among the reasons why dogs are aggressive toward people, a new study suggests. The findings could help two-legged folks better understand and prevent aggressive behavior, such as growling, barking, snapping and biting, according to Finnish researchers. “Dogs’ fearfulness had a strong…  read on >  read on >

Survivors of the intensive care unit (ICU) have a higher risk of self-harm and suicide after discharge than other hospital patients, a Canadian study shows. Researchers compared the health records of 423,000 ICU survivors in the province of Ontario with those of with 3 million patients who were hospitalized but not in intensive care between…  read on >  read on >

Young Black American women have high rates of lifestyle-related risk factors for heart disease, a new study indicates. The findings show the need to help them adopt healthy eating and physical activity habits, as well as make it easier for them to access health care, the researchers said. “Young people should be the healthiest members…  read on >  read on >

A diet rich in vegetables, fruits, olive oil and fish — the so-called Mediterranean diet — may protect the brain from plaque buildup and shrinkage, a new study suggests. Researchers in Germany looked at the link between diet and the proteins amyloid and tau, which are a hallmark of Alzheimer’s but are also found in…  read on >  read on >