Is drinking coffee good or bad for heart health?

Does instant coffee contain the same cholesterol-raising compounds found in regular, unfiltered coffee? Find out in our article about coffee and heart health.

Find out which brands of white (i.e., “bleached”) coffee filters are least likely to expose users to dioxins in our article about coffee.

Bleached coffee filters can contain a small amount of dioxin (a harmful chemical), but there’s a way to reduce the amount. Find out in the Dioxins in coffee filters section of our article about coffee and heart health.

Some paper coffee filters contain toxic chemicals that can leach into coffee. Learn more and how to reduce exposure in CL Answer about coffee.

Find how much caffeine is in decaffeinated coffee in our article about coffee and heart health.

Although moderate coffee consumption is generally safe for healthy individuals, people with heart arrhythmias need to be more careful, as explained in our article about coffee and heart health.

What is fermented coffee and does it have different health effects than traditional coffee? Find out in our updated article about coffee.

Does drinking caffeinated coffee cause heart palpitations, or reduce sleep? See what a recent study found in our updated article about coffee and heart health.

Even modest amounts of coffee may increase risk of heart attack or cardiovascular-related death in people with very high blood pressure, according to recent study. Get the details in our updated article about coffee and heart health.

Also see this recent update: Coffee's Effects on Vitamins & Minerals

On Tuesday we wrote about a report of potassium possibly being added to Starbucks coffee. The report also indicated high levels of potassium in a variety of coffees, raising a health concern. However, we have not found other reports of high levels of potassium in coffee (based on various hot-brewing techniques), reducing our level of concern. See the Update for more information.

A competitor of Starbucks claims that Starbucks is adding potassium to some of its coffee. Get the details obtained by ConsumerLab in our article: Is drinking coffee good or bad for heart health?

A recent study linked coffee intake during pregnancy to slightly lower height of children. Learn more in the pregnancy section of our CL Answer about the effects of coffee.