FRIDAY, May 17 (HealthDay News) -- There are apps that turn your smartphone into a metal detector, a musical instrument and a GPS system, and now there's an app that may help doctors save your life if you're having a heart attack.

FRIDAY, May 17 (HealthDay News) -- After age 50, excess body fat hardens the arteries, potentially increasing the risk of dying from cardiovascular disease, according to a new study.

FRIDAY, May 17 (HealthDay News) -- Management of heart disease risk factors -- such as high cholesterol, high blood pressure and smoking -- varies significantly among outpatient practices in the United States, according to a new study.

THURSDAY, May 16 (HealthDay News) -- Women in their 40s and 50s who suffer from depression are almost twice as likely to have a stroke as women who aren't depressed, according to a large, long-running Australian study.

THURSDAY, May 16 (HealthDay News) -- Having a fast-food restaurant nearby might be a convenience, but living within two miles of one may be a little too convenient.

THURSDAY, May 16 (HealthDay News) -- Patients with heart failure or a heart attack appear to be at high risk of death or readmission to the hospital for at least one month after being discharged, researchers say.

WEDNESDAY, May 15 (HealthDay News) -- Among young heart attack victims, women often have more medical issues, more chest pain and worse quality of life before the event than men, a new study reveals.

WEDNESDAY, May 15 (HealthDay News) -- People who are obese or out of shape in their 40s or 50s might think it's too late to start getting fit, but new research finds that shaping up in middle age lowers the odds for heart failure later in life.

WEDNESDAY, May 15 (HealthDay News) -- People who follow the ancient practice of yoga may be getting an added health boost, with a new study suggesting it can fight high blood pressure -- also known as hypertension.

WEDNESDAY, May 15 (HealthDay News) -- New Italian research offers some cautionary advice for patients with high blood pressure: The next time you take a blood pressure reading, turn off your cellphone.