Harvard Heart Letter

Should you join a research study?

Volunteering for a study can help advance knowledge that may help people with heart disease in the future. Cohort studies follow people over time and gather information on different things like diet, exercise habits, or blood pressure. Other studies, known as clinical trials, compare new therapies against existing ones or a placebo. Potential benefits include extra medical attention and possible earlier access to new treatments; downsides include the inconvenience and unpredictable side effects.
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