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AHA 2021: Marcus, lead author of CRAVE, says it found little effect of caffeine on atrial arrhythmias, a significant effect on PVCs, a negative effect on sleep, and a boosting effect on physical activity.

AHA 2021: Novel software algorithm used in Fitbit wearable devices accurately detected undiagnosed atrial fibrillation about 98% of the time, showed results of the Fitbit Heart Study.

AHA 2021. Coffee increased PVCs by 54% in regular coffee drinkers and decreased sleep by more than 30 minutes; it also significantly increased daily step count and slightly improved SVT.

Data from the CDC on boosters and US vaccination rates and from the Johns Hopkins COVID-19 interactive map on cases and deaths in the US and worldwide.

AHA Scientific Sessions 2021: New research provides a note of caution for the use of digital heart failure coaching apps in severely ill and elderly patients with unstable heart failure.

AHA Scientific Sessions 2021: Employment status and higher caregiver burden were linked to increased engagement with a videoconferencing-based intervention to reduce the risk of CVD.

EHR-integrated remote BP monitoring was evaluated in a primary care Medicare population to assess uptake and initial effects on hypertension management.

Mothers vaccinated against COVID-19 produced robust IgG antibodies in breast milk that actively neutralized the SARS-CoV-2 virus, according to investigators.

Chest pain evaluation requires timely and accurate distinction between serious and benign causes. The 2021 ACC/AHA guideline authors provide 10 important reminders.

Data from the CDC on boosters and US vaccination rates and from the Johns Hopkins COVID-19 interactive map on cases and deaths in the US and worldwide.

AHA Scientific Sessions 2021. Statin-associated muscle symptoms complicate treatment initiation and adherence; a new mHealth tool shows promise in reducing treatment cessation.

AHA Scientific Sessions 2021: Blood pressure reductions to clinical targets were achieved by patients with sustained hypertension through a remote health care delivery program during the COVID-19 pandemic.

In the first review of its kind, authors found encouraging evidence supporting the use of hypnosis for chronic neuropathic pain treatment. Find key results in our new slideshow.

A young medical student, native of Peru and now resident of Georgia in the US, relates her early education in health care disparities, first in Peru, then in her adopted home.

AHA Scientific Sessions 2021: New research found living in socially vulnerable neighborhoods increased the risk of myocardial infarction, stroke, or death among hospitalized COVID-19 patients.

Data from the CDC on boosters and US vaccination rates and from the Johns Hopkins COVID-19 interactive map on cases and deaths in the US and worldwide.

AHA 2021: E-cigarette users were found to have a 15% higher risk of a cerebrovascular accident at a younger age than those who smoked combustible tobacco cigarettes.

Data from the CDC on boosters and US vaccination rates and from the Johns Hopkins COVID-19 interactive map on cases and deaths in the US and worldwide.