Without clinical trials, and the people who volunteer to take part in them, we wouldn't have many common medicines we use today.
Regular exercise reduces the risk of heart disease. Here are some tips to help you get moving and stay active at any age.
Use our digital guide to learn about high cholesterol and tools to help you or a loved one manage the condition.
"Since I found out about my CHD, I pay attention to my body and its limits."
"Although I had open heart surgery in my 20s and 30s, today I feel strong and hopeful for the future."
"Even at my lowest point, I never gave up, and I inspire others ... to do the same."