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Cardiology news

Atherosclerosis may meet key criteria for autoimmune disease, evidence suggests

In autoimmune diseases, the immune system turns against the body through pathogenic high-affinity B cells or T cells, leading to severe organ damage. Multiple sclerosis (nervous system paralysis), type 1 diabetes (a strong ...

Mitochondrial DNA mutations may help turn aging hearts toward failure

Researchers at Karolinska Institutet have shown that mutations in mitochondrial DNA (mtDNA), which accumulate in many tissues as we age, can actively contribute to impaired heart function. Until now, it has been difficult ...

What PREVENT can tell you about heart disease risk

We often think about heart disease as something that suddenly happens, like a heart attack, requiring a trip to the emergency room. In reality, cardiovascular disease often develops silently over years or even decades before ...

Cooling ingredients in vapes might cause irregular heartbeats

For years, flavor additives in e-cigarettes have been largely viewed as a secondary concern compared with nicotine. Research and regulation have focused on addiction, nicotine delivery and, more recently, the respiratory ...

GLP-1s tied to elevated risk of fainting, dizziness

Northwestern Medicine scientists have identified a safety concern associated with GLP-1 drugs. Using health record data, the research team tracked more than 42,000 adults already taking at least two types of blood pressure ...