(HealthNewsDigest.com) - ROCHESTER, Minn. - February is American Heart Month, a perfect time to remind people that small steps can reduce their risk of heart disease, the No. 1 killer of men and women. Mayo Clinic cardiologists offer several simple tips to reduce the risk.

For audio and video of Dr. Grogan talking about heart health, visit the Mayo Clinic News Network.

"When I tell people that almost 80 percent of heart disease is preventable, they are surprised," says Mayo cardiologist Martha Grogan, M.D., medical editor-in-chief of Mayo Clinic Healthy Heart for Life! "Better yet, there are daily things we all can do that can make a big difference in our effort to keep our hearts healthy."

For example, Dr. Grogan encourages people to move 10 extra minutes each day. A sedentary lifestyle may increase your risk of heart attack almost as much as smoking does, recent studies show. Each day, make an effort to get up from your desk to go talk to a colleague instead of sending an email, or walk around the house as you are talking on the phone, she recommends.

"Moving even 10 minutes a day for someone who's been sedentary may reduce the risk for heart disease by 50 percent," Dr. Grogan says.

Americans too often cheat themselves of sleep and their hearts can pay the price, says Virend Somers, M.D., Ph.D., a Mayo Clinic cardiologist and sleep expert. Chronic sleep deprivation can increase the risk of obesity, high blood pressure, heart attack, diabetes and depression. "Sleep is a necessity, like food and water. It's not a luxury," he says.

Changes can make a difference, says Randal Thomas, M.D., a Mayo preventive cardiologist. For example, a 53-year-old male smoker with high blood pressure has a 20 percent chance of having a heart attack over the next 10 years. If he stops smoking, his risk drops to 10 percent; if he takes high blood pressure medicine, it falls to 5 percent.

"There's a saying that heart disease is what nature gives you for breaking its rules. But you have a second chance. Healthy lifestyle habits can help you reduce a majority of your risks for heart attack," Dr. Thomas says.

Mayo Clinic, the American Heart Association and WomenHeart: The National Coalition for Women with Heart Disease invites the public to share questions about heart disease and heart health in a Twitter chat Feb. 13 at 12:30 p.m. ET. The conversation, at hashtag #heartchat, will be moderated by TIME magazine lead health reporter Alice Park with experts from Mayo, the AHA and WomenHeart participating.

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About Mayo Clinic

Mayo Clinic is the first and largest integrated, not-for-profit group practice in the world. Doctors from every medical specialty work together to care for patients, joined by common systems and a philosophy of "the needs of the patient come first." More than 3,700 physicians, scientists and researchers, and 50,100 allied health staff work at Mayo Clinic, which has campuses in Rochester, Minn; Jacksonville, Fla; and Scottsdale/Phoenix, Ariz.; and community-based providers in more than 70 locations in southern Minnesota., western Wisconsin and northeast Iowa. These locations treat more than half a million people each year.

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