Las Vegas Review-Journal

Too much napping can signal problems

- DR. ROIZEN Email questions for Mike Roizen to youdocsdai­ly@ sharecare.com.

You may think of a catnap as a short snooze, but cats are actually super sleepers, often slumbering for 12 to 18 hours a day. That’s healthy for them, but for humans, sleeping more than an hour while the sun shines can be a sign of developing liver problems, according to a study in BMC Gastroente­rology. It found that compared with folks who don’t nap, those who slept for 60 minutes or more in the daytime have a 200 percent increased risk for nonalcohol­ic fatty liver disease — a potentiall­y serious condition that afflicts an estimated 25 percent of U.S. adults and often goes undiagnose­d. So if you’re taking hour-long snoozes during the day, inform your doctor so he or she can check.

From long naps to long COVID-19: Ten percent to 30 percent of folks who’ve had COVID-19 will develop long COVID-19. They have a 63 percent increased risk of heart attack and a 52 percent increased risk of stroke, compared with folks who never caught the virus. The Centers for Disease Control and Prevention says breathing exercises; sitting aerobic and strength-building exercises, initially, and then walking and standing workouts; and the use of medication­s such as anti-hypertensi­ves can help reduce your risks.

How chronic inflammati­on spreads

When researcher­s in a new study, published in the journal Cell, looked at inflammato­ry conditions like gum disease, arthritis and heart disease, they found that they can ignite inflammati­on in other, seemingly unconnecte­d, parts of your body. That’s why people with gum disease often develop cardiovasc­ular problems or arthritis, or those with arthritis are more likely to also end up with gum disease.

But how does that happen? It seems that your immune system — when revved up by one of those inflammato­ry conditions — gets turned on to such a degree that the newborns in your bone marrow’s immune cell nursery are supercharg­ed when they emerge and enter your bloodstrea­m. Instead of battling outside invaders (bacteria and viruses), they become troublemak­ers — causing inflammati­on in your cardiovasc­ular system, joints, gums and elsewhere.

That’s why chronic inflammati­on needs to be avoided — or put out. To do that, you need a balance of enough physical exercise, restful sleep, smart stress management and a diet loaded with colorful fruits and vegetables, omega-3-rich fish like salmon and 100 percent whole grains.

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