Well apparently, this is something we’ve all been doing wrong our entire lives.

It’s apparently one of the biggest first aid myths – when you have a cut, don’t use hydrogen peroxide to clean it. Nor should you use rubbing alcohol!

Most of us had our parents do it for us when we were little and still do it today. And it’s true that they do kill bacteria – but they also apparently kill skin cells.

Both hydrogen peroxide and rubbing alcohol cause “corrosive tissue damage” which can slow the healing process and make scars more likely.

The better bet is to rinse your cut with water and just use antibiotic ointment.

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If it always seems like what’s good for your diet and what’s bad is always changing, then it’s time to look at nutrition myths.

The first myth is that eating healthily is too expensive. Sure, some powders are, but fruits and veggies usually aren’t, and frozen ones are cheaper, and just as good for you.

Also, if you always select fat-free options because they’re “better” for you, you may end up eating more since fat is what helps us feel full longer.

Egg whites over whole eggs are yet another myth – while they have less fat and calories you miss out on a ton of vitamins from the yolks.

And finally, whether salt is bad for you. Too much of it is, sure, but it’s also essential because you get electrolytes. Especially if you exercise a lot, because you’ll need to replenish them.

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When you get a headache, what’s the first thing you do? You probably grab a pain reliever – but that might not be what you actually need.

If you do it, make sure you take a full glass of water with it – not just a sip – you could actually be dehydrated.

Think about all the sodas and the coffee and tea you have during any given day – none of that helps you.

A new poll shows what we normally do when we have dehydration symptoms.

• When people have a headache 43% take a painkiller, but only 1 in 6 drink water.
• If you feel dizzy, 45% of us lie down, but only 18% will drink a glass of water.
• Constantly feeling tired – only 15% hydrate, most just take a nap.
• Dry mouth…well that’s the one when everyone goes for the faucet!

The average person thinks they only need one extra 8-oz. glass for their daily diet, but it turns out most of us need at least four more than that! The top reason we don’t drink more water is because we forget to.

An easy solution is to get one of those water bottles with the hourly markers on it – fill it up in the morning on your way out the door and stay on target throughout the day – and you’ll feel better!

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