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In a recent study of 1,231 men and women, researches have found that egg yolks contribute to plaque build up in the arteries which is similar to affects of smoking.

Amoung the 20% of participants who ate the most eggs, the carotid plaque build-up was about two-thirds that of the study’s heaviest smokers. The researchers concluded that the plaque increase from eating eggs “follows a similar pattern to that of cigarette smoking.”

Arterial accumulation of plaque is a key risk factor for heart attack and stroke. As plaque builds up, it thickens artery walls and narrows the space through which blood can flow, forcing the heart to pump harder. If plaques become unstable, they can break off and form clots, which can halt blood flow to either the brain or the heart, causing stroke or heart attack.

The authors argue that their findings should quell doubts over the link between high dietary cholesterol and heart disease. “The prevailing tendency to ignore dietary cholesterol as a risk factor for coronary heart disease requires reassessment, including the consumption of cholesterol from eggs,” the authors wrote.

The government’s dietary guidelines recommend that adults consume no more than 300 mg of cholesterol a day. One whole egg contains about 180 mg of cholesterol, nearly two-thirds of your daily recommended ma.

However, health experts have found the study to be seriously flawed.

Dr. Steven Nissen, who chairs the department of Cardiovascular Medicine at the Cleveland Clinic Foundation pointed out some of the problems with the study:

There were no controls in the study and it is noted that causation and association are not the same thing.

The study was also not adjusted for the existing dietary habits of the participants.

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Read more to learn how all of the perks of pedestrianism can help you live a longer healthier life.

You shouldn’t have your pet sleeping with you in your bed. It’s unsanitary. It seems like common sense but many people do it. Now there’s a study explaining the health risks.

Sleeping alongside your pets can make you sick.

It’s rare, but it happens. That’s why good hygiene means keeping Fluffy and Spot next to the bed, not on it, two experts in animal-human disease transmission say in a forthcoming paper.

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Chomel and co-author Ben Sun, chief veterinarian with the California Department of Public Health, did an extensive search of medical journals and turned up a hair-raising list of possible pathogens.

There’s plague (yes, bubonic plague, i.e. the Black Death); chagas disease, which can cause life-threatening heart and digestive system disorders; and cat-scratch disease, which can also come from being licked by infected cats.

Though many people love getting licked or planting a kiss on a pet, it may not be such a good idea, the authors say.

The researchers found several cases of various infections transmitted this way.

“The risk is rare, but when it occurs it can be very nasty, and especially in immuno-compromised people and the very young,” says Chomel, who specializes in zoonoses, the study of disease transmission between animals and humans.

Larry Kornegay, president of the American Veterinary Medical Association, called the article “pretty balanced.” These cases are “uncommon if not rare,” but even so, pet owners should use common sense to reduce risks.

Think about your health the next time your pet jumps into your bed.