Why do I have such a sweet tooth?

Have you ever found yourself doing something – perhaps getting a glass of water, eating a snack, or even sitting on the toilet – without remembering making the decision to do it? CrowdScience listener Mohammed certainly has. It’s left him wondering: does he really have free will, ...  Show more

Where do shells come from? CrowdScience listener Tamsyn got in touch, a little embarrassed, confessing that she had managed to reach her twenties without realising that shells are made by living creatures. Suddenly, her curiosity ran wild and she asked CrowdScience to investigate ...  Show more

Marshmallows, lollipops, gummi bears -- we want them all! But we’ve all heard that eating a lot of sugar isn’t that healthy for us. So what’s the deal? Why do we like sugar so much in the first place? We’ll find out why our bodies evolved to seek out sweet things, and how clever ...  Show more

Americans are sugar obsessed. Can we cut back without making life feel less sweet? This Halloween, sugar studies expert Laura Schmidt shares tips for taming your sweet tooth. Plus, why she says we need to stop debating if sugar is addictive. Learn more about your ad choices. Visi ...  Show more

Sugar is everywhere around us. It's a reward, it's baked into every celebration we have. But for some, it becomes a problem when that sweet treat we want turns into something we need. Nikki and Mr. Malone break down the science of our confectionery cravings with a neuroscientist ...  Show more

When you eat something loaded with sugar, your taste buds, your gut and your brain all take notice. This activation of your reward system is not unlike how bodies process addictive substances such as alcohol or nicotine -- an overload of sugar spikes dopamine levels and leaves yo ...  Show more