Confused about cholesterol?

Have you been told that you have high cholesterol or that you're at risk of it? If you don't know what the numbers are all about, it can be confusing. LDL? HDL? What's what and what should each be?

First, it's important to know that we need cholesterol - it's a building block for our cells. LDL is the "bad" cholesterol, the one that can stick together and against the blood vessel walls. As this cholesterol builds up, it can cause a complete blockage in the blood vessel, which can lead to a stroke.

The other type of cholesterol, HDL, is the "good" cholesterol. Its role is to sweep the LDL along the blood vessels so it can't stick to the vessel walls.

A good way to remember which is which is HDL, the good one, is the one you want in the high numbers: HDL = High. LDL, the bad one, is the one you want to be as low as possible: LDL = Low.


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Children's changing health

When my children were younger (they're 16, 19 and three weeks short of 21 now), there was some concern among some parents about keeping the kids active. Computers weren't all the rage quite yet and movies were only available in VHS (or beta!), so TV was really the major competition for exercise.

I did notice, very early, that there weren't kids playing outside in the same numbers as when I was a child. When we brought our kids to a local park, there may be a few other children playing, but very often, ours were the only ones there. This was the same park I played at as a child and was always full of kids - alone - all day long.

I know that things are different now, particularly with most families having both parents working, but we have to look at what this is doing to our children. For many, the only physical activity they get is in organized sports (if parents can afford it) or gym class at school (if they have it).

I've seen playgrounds at schools where children are banned from playing any of the active games that we played, for fear of injury. One friend even told me that tag was banned at her cousin's school because too many children were getting hurt running and tripping on the concrete. You see, many schools don't have grass either.

Add to that, many of the kids who would have walked to school in "the old days" are now driven by parents, the lack of time on weekends to go outside and play because of all the stuff that needs to be caught up, is there any wonder we're looking at record numbers of obesity, high cholesterol and type 2 diabetes in *children*?

It's just going to get worse. The more we try to protect our kids, the worse we are making it for them. Here are a couple of the most recent stories in the news: Inactive kids face 6-fold risk of heart disease by teen years, study finds and Keep on running.

We worry too much about our kids - seriously. I know a few people I knew thought I was nuts to let my kids do some of the stuff they did. My oldest used to go outside with his friend, on their bikes, and go dirt bike riding near the river and across some farm land behind our house (we live in a suburb that borders some farms). They'd be gone for hours. My daughter didn't get into the same sort of thing, but she did dance competitively for quite a while and played organized sports. My youngest son did some of the stuff his older brother did, but he got more involved with wilderness and camping stuff - and he's involved in a weekly floor hockey program.

We have to go back to letting kids be kids. There has got to be a better way to balance our need to protect them with their needs to be free to do things that will help them grow up strong and healthy.

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Good and bad cholesterol?

We often hear about good cholesterol and bad cholesterol, such as when we read articles like Not enough 'good' cholesterol makes it harder to recover from stroke. Unfortunately, many people don’t understand what bad or good cholesterol are and what the difference is between the two.

First, what is cholesterol? Cholesterol is a fat-like substance that is produced by our liver and ingested through food. We need cholesterol as a building block for healthy cells walls and tissues, among other things. However, cholesterol can also be dangerous as it can build up and block blood flow.

The so-called good cholesterol, the one we need to keep healthy is called high-density lipoprotein (HDL) and the so-called bad cholesterol is called low-density lipoprotein (LDL). A trick to remember which is which – you want the good cholesterol to be high so HDL; you want the bad cholesterol to be low, so LDL.

The American Heart Association has this great section, What Your Cholesterol Levels Mean to help you understand the numbers and what numbers you want to see when your blood is tested.

Since it’s known that high LDL can contribute to heart disease and stroke, everyone – particularly those with heart disease in the family – should know their baseline cholesterol levels. The earlier you know your levels, the earlier you can begin working on prevention. If your levels are normal, your goal is to keep it normal; if your levels are too high for LDL, then your goals are lower your numbers.

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