Holiday heart syndrome: Seasonal celebrations can cause irregular heartbeat

This time of year, many of us are worried about putting on pounds from all those holiday treats and cocktails. But we should also consider how we could be harming our hearts. A phenomenon called “holiday heart syndrome” — alcohol-induced atrial fibrillation, or irregular heartbeat — is something we see this time of year in … Continue reading Holiday heart syndrome: Seasonal celebrations can cause irregular heartbeat

Smoking triggers hundreds of permanent DNA mutations every year

If you’re still smoking, new research might motivate you to finally kick the habit. A study recently published in the journal Science shows cigarettes can trigger hundreds of DNA mutations in vital organs every year. There’s already a large body of evidence linking smoking with cancer, but now we have new insight into how tobacco … Continue reading Smoking triggers hundreds of permanent DNA mutations every year

Nasal flu vaccine is not effective this year, CDC confirms

Nasal spray flu vaccination has been a popular choice among parents wanting painless flu protection for their kids. But earlier this year the Centers for Disease Control and Prevention said FluMist has not effectively protected kids or adults against flu for years and shouldn’t be used this flu season — the American Academy of Pediatrics … Continue reading Nasal flu vaccine is not effective this year, CDC confirms