parties and health

Fight for your right to party… Responsibly

Fight for your right to party…Responsibly

by Prof. David Cameron-Smith
It’s that time of year again – parties, celebrations, drinks and more drinks. So what is the health-conscious fun-lover meant to do?

Somehow, like magic, the New Year has become the defining point in our lives that holds the promise of a fresh start. Goals are set, plans are made and good intentions abound. Yet, as most of us know, few people actually stick to their New Year’s resolutions for more than a few short weeks.

Why? Well, one big reason is that the habits of today matter more than we care to admit. Established patterns of behaviour are extremely difficult to break. Imagining we can over-indulge and then immediately change is a fantasy – so why not change the goal itself? Instead of waiting until January 1st, try aiming to get through this “silly season” without packing on the pounds or suffering multiple hangovers in the first place.

What is alcohol actually doing to me?

One way to change the way we think about booze might be to know more about it and what it does to the body. Alcohol (ethanol) is, in fact, a neural depressant and toxin. It’s the most widely consumed one because, by some quirk of chemistry, a little bit has the opposite immediate effect and delivers short-term euphoria and a sense of relaxation. You feel good. Just a single drink can turn the boring into the hilarious, or provide much-needed stress relief after a hard day in the office.

But just as the fun starts, unfortunately, the effects of alcohol tip the brain into a dangerous and sometimes deadly spiral. Alcohol’s depressive effect works first on the inhibitory parts of the brain – the parts that would normally control your careful and cautious side. As many of us have learned the hard way, with just a few drinks, crazy things are said and done. At the same time, libido (sex-drive) experiences a sudden up-swing. You can guess the rest!

By the same token, like a switch being flicked, alcohol’s inhibition of the cautious side of the brain can also lead to anger, violence and potentially deadly risk-taking behaviours. With each drink, those dangers become more acute, unpredictable and dangerous.

Slurred speech, loss of physical control and impaired vision are signs that alcohol now has full reign to suppress neural pathways. The fun has stopped and your brain is now experiencing a major “downer”. You’ve overdone it. Go to bed.

So what exactly is a hangover?

As the old joke goes … Q: What’s good for a hangover? A: Drinking heavily the night before. A hangover is the combination of the lasting effects of the inhibition of brain activity, the toxins produced by metabolising alcohol, dehydration and lack of sleep. Despite the myriad folk remedies out there, only rehydration and time (including sleep) will truly cure a hangover.

I’ll run it off – that works, right?

Yes, it might make us feel virtuous after a night of excess, but in reality it’s not a good idea to exercise with a hangover. Even modest dehydration will compromise performance and mental judgement, and will impair the ability to exercise or compete. At the same time, the circulating levels of the toxin acetaldehyde make it difficult for the liver to control blood sugar levels. So, no amount of post-binge exercise is going to undo the damage from the night before.

Okay, what about a quick drink after the gym?

Again, the news isn’t great. After exercise, the repair and re-synthesis processes take several hours to days. Alcohol’s dehydrating effects and its ability to impair liver function compromise our ability to replenish the stores of glycogen (sugar) needed for aerobic activity. Alcohol also directly interferes with the protein synthesis pathways in muscle, reducing the ability to repair and rebuild muscles after exercise. If you want to get back into your best shape, having a drink after exercise is not the way to achieve it.

But research has shown that a modest amount of alcohol is okay, hasn’t it?

Alas, not really. In trying to explain why the French have lower rates of heart disease than the US population, researchers initially focused on the differences in red wine intake. Modest amounts of alcohol – and not just red wine – is known to improve good cholesterol (HDL-cholesterol) levels, and may improve blood flow. However, other major differences between the populations were ignored. The French were much thinner and fitter than the US population. From all the detailed studies on population, exercise (or fitness) stands out as the most important predictor of long-term heart health. Far more important than red wine. It just involves more sweat and determination.

Sorry to be the bearer of bad news but… no time like the present to get started!

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