Latest Issue of Science News


Even a little coffee may up heart risk

Nothing jolts the body into action in the morning like a strong cup of coffee. However, people concerned about heart health may want to limit their intake, a new trial suggests.

Several oily coffee-bean components can elevate cholesterol in a person's blood. Although the paper filters of drip coffeemakers largely eliminate those oils (SN: 2/4/95, p. 72), drinking even filtered coffee can increase blood concentrations of the amino acid homocysteine, another risk indicator (SN: 1/11/97, p. 22).

Norwegian scientists have now investigated these coffee-borne factors in a 6-week trial of 191 nonsmokers. All had been downing an average of 5 cups of coffee daily.

Note: To comment, Science News subscribing members must now establish a separate login relationship with Disqus. Click the Disqus icon below, enter your e-mail and click “forgot password” to reset your password. You may also log into Disqus using Facebook, Twitter or Google.

This article is available only to subscribing members. Join SSP today or Log in.