Do you have sleep apnea?

These questions can help you and your physician figure out if you should be tested for sleep apnea. Circle your answers, tally up the points next to them, and see what the total means in the Scoring section. Do you snore more than three nights a week? Yes (2 points) No (0 points) Is your snoring loud (can it be heard through a door or wall)? Yes (2 points) No (0 points) (Locked) More »

Harvard Heart Letter November 2008: References and further reading

Somers VK, White DP, Amin R, et al. Sleep apnea and cardiovascular disease: an American Heart Association/American College Of Cardiology Foundation Scientific Statement. Circulation 2008; 118:1080-111. Young T, Finn L, Peppard PE, et al. Sleep disordered breathing and mortality: eighteen-year follow-up of the Wisconsin sleep cohort. Sleep 2008; 31:1071-8. Marshall NS, Wong KK, Liu PY, Cullen SR, Knuiman MW, Grunstein RR. Sleep apnea as an independent risk factor for all-cause mortality: the Busselton Health Study. Sleep 2008; 31:1079-85. (Locked) More »

More information on no-surgery valve repair

Doctors around the world are testing the safety and effectiveness of repairing or replacing heart valves without surgery. These new techniques are generally done by approaching the heart from a blood vessel in the groin. You can see short movies showing how this might be done at several industry Web sites, including Edwards Lifesciences, Evalve, and Sadra Medical. Just because doctors can repair or replace failing heart valves without surgery, we don't know if doing this works as well as the traditional open-heart approach. Trials of through-the-circulatory-system approaches registered with the National Institutes of Health that are recruiting participants include: Sponsored by: Evalve, Inc. (Locked) More »

More information on the long QT syndrome

Several Web sites provide excellent information about the long QT syndrome: The National Heart, Lung, and Blood Institute covers all the bases, as does the Heart Rhythm Society, an organization of doctors who treat rhythm disorders. Private sites, such as,, the Cardiac Arrhythmias Research and Education (CARE) Foundation, also deliver useful, though somewhat more personal, information on long QT syndrome. Online support groups are available at, Yahoo, and the CARE community. (Locked) More »

Sleep apnea wakes up heart disease

Sleep apnea causes increased production of stress hormones, faster heart rate, increased blood pressure, and inflammation. Research has found that people with the condition are more likely to die of cardiovascular disease. (Locked) More »

Flap over tilapia sends the wrong message

Tilapia has been criticized because it is lower in omega-3 fats and higher in omega-6 fats than other kinds of fish, but it is still a good source of protein and has other nutritional value. (Locked) More »

Living with long QT syndrome

Long QT syndrome is a lengthening of part of the heart's normal rhythm that occurs when its muscle cells do not properly process certain substances. The resulting erratic heart rhythm can cause fainting, shortness of breath, and possibly death. (Locked) More »

Slow down and savor the flavor

Eating meals more slowly allows the stomach time to signal the brain when it is getting full, which can result in lower overall food consumption. Drinking water with your meals can also help by making you feel fuller. (Locked) More »

Heart Beat: Uncertainty dogs Zetia and Vytorin

The cholesterol-lowering drug ezetimbe, sold as Zetia and in combination with the statin Zocor as Vytorin, has proved no better at reducing plaque than the statin alone, and may be linked to an increased risk of cancer. (Locked) More »

In brief

Brief updates on a drug combination that may cause muscle damage, a blood test for rejection after a heart transplant, a possible link between retinopathy and heart disease, and running for heart health and longevity. (Locked) More »