Have you ever experienced a sudden increase in heart rate while sitting, lying in bed or even during a calm moment at work? The feeling can be unsettling as it often comes without warning or a clear ... Unprescribed use of amphetamine-dextroamphetamine salts (Adderall) can cause sizeable increases in blood pressure, heart rate, and sympathetic activation after only a single pill, according to new ...

Understanding the Context

MSN: 'Hidden' risk factors causing spike in deadly heart attacks as doctors urge people to know the signs 'Hidden' risk factors causing spike in deadly heart attacks as doctors urge people to know the signs Sudden is portrayed as an intrepid and accurate gunfighter in search of two men who cheated his foster father. James Green earns the nickname "Sudden" because of his lightning speed with a gun. The risk of having a heart attack or stroke rises during the holiday season, with a spike in cardiac deaths between Christmas and New Year's. "We definitely see it in the ER over the holidays," says ...

Key Insights

The Times of India on MSN: Heart attack risk doubles at night: Cardiologist explains why blood vessels tighten and blood pressure spikes Heart attack risk doubles at night due to stress hormones and blood pressure spikes. Dr Dmitry Yaranov advises timely medication and blood pressure checks. Nighttime heart attacks are dangerous ...