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How often do you need to change your toothbrush?

Hint: Check the bristles when in doubt.

Retinol vs. Retinal: Which One is Better for Skincare?

Retinol and retinal may sound the same, but their effects on skincare differ significantly.

Why do some people like the smell of their own farts?

Farts stink. Unless they're yours, apparently.

Is vitamin water good for you?

Vitamin water isn't what you think. Mostly, it is just another way to sell bottled water with greater profit margins.

Does music help you run faster and longer?

"Music is a legal drug for athletes," say scientists. It's that good for running!

What chemicals make you happy?

Discover the science behind the happy chemicals in your brain.

Five ways to cure hangovers that anybody can apply

They all boil down to "treat yo' body right".

How to get rid of hiccups, according to science

We don't know much more about treating hiccups than centuries ago.

What is Medicare and what does it cover?

Medicare is a federal health insurance program that pays for a variety of health care expenses. Here's a rundown of the most important things you need to know about Medicare.

What is kratom: an emerging alternative to opioids

Kratom is an opioid-like herbal supplement with potential medical applications, but with many dangerous side effects.

Is This Clean? Common myths and real ways to clean up your act -- and your hands

There are too many dirty misconceptions around.

How to cope and recover from muscle soreness

Muscle soreness is actually a sign that you're growing stronger. No pain, no gain!

What is hyaluronic acid

Let's take a look at this pretty unique substance which permeates our bodies.

Why 'detox' doesn't work -- a diet fad and marketing ploy exposed by science

There's no such thing as a detox.

What are the benefits of HIIT compared to steady-state workouts

While athletes have been using HIIT as part of routine training, it has steadily gained popularity among casual gym-goers.

What causes running pain and why it's a sign 'you're doing it right'

There’s a common misconception that some people just aren't made to run. Here's what science says, instead.

Why you should microwave your sponges, according to science

The best way to keep your sponges clean is to microwave them.

What is HIIT and what are the health benefits

Just a couple of minutes of high-intensity exercising can provide similar heath benefits as an hour of cardio. Learn why, along with some training tips.