| Quail eggs |
| Chicken eggs |
An egg basically consists of the protective outer shell, the egg white (albumin) and the egg yolk (vitellus). The yolk and white of eggs are very nutritious, rich in proteins. Eggs from ducks, goose and other birds are also consumed. Of course, eggs from reptiles have also featured in gourmet foods. Eggs are used for different things in dishes...from baking, salads to desserts/drinks.
But there is some uncertainty about how many eggs to eat in a day. This is particularly because reports have suggested that high egg consumption will increase the cholesterol levels in our blood. And we all know too high cholesterol levels in our blood is not good for heart health. On the other hand, other reports have found no link between dietary cholesterol and serum cholesterol. So will consuming too many eggs per day lead to an increase in serum/blood cholesterol...? Depending on what you read, there is no limit on egg consumption per day for most people; the number of eggs you choose to eat in a day depends on your age, weight...
According to a study by Djoussé et al., (Egg consumption and risk of Heart Failure in the physicians' health study, Circulation 2008 117: 453-455) consumption of more than one egg per day is associated with an increased risk for heart failure is US males. Another study suggests that eating an egg per day is associated with high risks of type 2 diabetes (Djoussé et al., Egg consumption and risk of type 2 diabetes in men and women, Diabetes Care. 2009 Feb;32(2):295-300). There are other studies that associate eating one/more eggs per day to some disease.
The question still stands; how many eggs per day should the average person consume? Perhaps the answer may not be as straightforward as one will expect. A physician or dietitian may suggest that one egg per day is good...another physician or dietitian may suggest 3 or 4 eggs per week. Yet another physician or dietitian may suggest assessing your serum cholesterol levels, exercise rate, age and general heart health before giving a definite answer on the number of eggs/day to consume.
My suggestion...? Moderation is the key. In toxicology, our adage is "The dose makes the poison". Even drinking too much water may prove "poisonous". In dietetics, I think the slogan for cholesterol and fatty foods should be "If you cannot burn it, don't build it". A word to the wise...