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PODCAST

Do you really know?

You’ve heard about it, but do you really know it? In 3 minutes, we help you understand the true meaning behind the trends, concepts and acronyms that are making headlines. After listening, you will really know for sure.

education

All Episodes

5:36

Why do we put on weight when in a relationship?

Do you really know? ·

2025/11/20

The subject of today’s episode is something that’s happened to many of us. You meet someone special, start spending a lot of time together and gradually fall in love. You go out for romantic dinners, you order takeout and watch Netflix on the couch. You’re so caught up feeling happy and comfortable with your partner, that you don't worry too much about your appearance.Research has suggested that relationship weight gain is a real thing. A 2013 survey by Diet Chef found that over 60% of us put on

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5:04

How do I know when to end a friendship?

Do you really know? ·

2025/11/20

Friendship is often said to be eternal, to withstand the test of time and distance. We expect friends to accept everything about us, but it's not always that simple. Just like any relationship, they can become complicated and sometimes toxic. Not all friendships are always worth keeping, and certain signs can indicate when one is nearing its end. Friendships should be a source of joy, support, and personal growth. In a healthy friendship, both parties feel valued and respected. What does

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5:39

How can I have a healthier relationship with my...

Do you really know? ·

2025/11/20

For a number of years now, our smartphones have played a central role in many aspects of our lives, from work to personal relationships to entertainment. There’s a close and sometimes addictive connection. Just think of doomscrolling for example, which is a phenomenon we’ve discussed in the past on Do You Really Know. It’s a form of behaviour which sees us compulsively scrolling through depressing content on social media platforms like Instagram or TikTok. It can easily end up draining us, leaving

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4:41

Why do I get vertigo?

Do you really know? ·

2025/11/19

You’re standing or sitting perfectly still, but yet you feel like everything is spinning around you, as if you were on a theme park ride. You’ve been getting nausea and throwing up too. Well, the chances are you’re suffering from vertigo. According to the NHS: "Vertigo can also feel like you're being pulled, tilted, or pushed to one side…[and is] often accompanied by nausea, vomiting, problems with balance, or difficulty moving." The causes can be varied, but generally speaking, vertigo is a

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5:36

What does loneliness do to our brains?

Do you really know? ·

2025/11/19

Not everyone has the same relationship with social contact. Introverts, for example, recharge by spending time alone. Meanwhile extroverts get their energy from being around other people. But here’s the thing: being introverted or enjoying solitude isn’t the same as being lonely. Loneliness can actually become painful, and even harmful, when it drags on for too long. What happens when loneliness becomes chronic then? How does that work then? In under 3 minutes, we answer your questions! To listen

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5:11

How can the AAA method help you in tricky work...

Do you really know? ·

2025/11/19

Making a slip-up at work might not seem like a big deal most of the time, but on occasion it can lead to disappointment and frustration. And no matter how careful we try to be, all it takes is a moment of distraction or a misunderstanding, and boom – mistake made. The thing is it happens to all of us, every day. Posting on Linkedin in 2016, Leading Edge Safety Systems CEO Graham Edkins wrote that “regardless of the activity or task being conducted, humans make between 3-6 errors per

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5:08

Are Skyr yoghurts really good for you?

Do you really know? ·

2025/11/18

If you've ever strolled down the dairy aisle of your local grocery store, chances are you've come across these little tubs of Icelandic goodness. Skyr yoghurt has really grown in popularity in the last five to ten years. But is it really as healthy as it’s touted to be, or is its reputation down to marketing hype? It's a traditional Icelandic yogurt, which is said to have been brought to Iceland by the Vikings when they settled there over a thousand years ago. It's marketed as a yoghurt, but is in

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5:30

How can I best preserve food in my freezer?

Do you really know? ·

2025/11/18

With the warmer weather that summer brings, it’s especially important to be aware of the best techniques for freezing food before it goes bad. This ensures food safety and minimises waste. Furthermore, proper freezing techniques help preserve the taste, texture, and nutritional value of the food. You might think it’s as simple as bunging something in the freezer and leaving it there for as long as you want, but actually there are a number of finer points to bear in mind, which many people are

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5:13

Why do some men get ill after they orgasm?

Do you really know? ·

2025/11/18

As much as society might tell us the opposite, sex isn't actually always about pleasure. And that's especially true for men affected by the condition we're going to talk about today. It's known as postorgasmic illness syndrome, or POIS for short, and it's considered a rare disease. According to a review published in Sexual Medicine Reviews journal in 2018, there were only 50 recorded diagnoses, but a more recent article on MedPagetoday.com suggests it may actually be more common than we think, and

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4:49

What is a tumour?

Do you really know? ·

2025/11/17

What is a tumour? The word tumour comes directly from the Latin word for “swelling”. A tumour appears when a group of cells multiply and form a mass. Even though some tumours are malignant, or cancerous, most are actually benign, or non-cancerous. When normal cells multiply and remain localized, there’s nothing to worry about. These can be, for example, moles or warts. Can benign tumours develop anywhere in the body? What about malignant ones? How do you diagnose a malignant tumour? ⁠In under 3

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5:28

How can I protect myself from winter viruses?

Do you really know? ·

2025/11/17

During winter, we tend to huddle indoors in an understandable bid to stay warm. But while this makes for a cosy setting, it also becomes a major breeding ground for virus transmission. The dry air in offices, public transport and our homes can strip the moisture from our nasal passages, leaving us more susceptible to infections. The nose, mouth, and eyes serve as the primary gateways for viruses to enter the body. Unlike bacteria, which can be effectively combated with antibiotics, viruses thrive

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5:14

Are blue eyes really more sensitive to light?

Do you really know? ·

2025/11/17

The idea that light-colored eyes are generally more fragile is pretty widespread. They’re less resistant to sunlight and require more protection. According to Medical News Today, it’s estimated that around 8-10% of people in the world have blue eyes. When our eyes are open, rays of light pass through the pupil, the black opening in the center of the iris. As you may know, the pupil dilates when it’s dark and contracts in bright light. When light rays strike the retina, they’re captured by

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5:15

Can I prevent hair loss?

Do you really know? ·

2025/11/16

According to UK charity The Men’s Health Forum, two thirds of all men are affected by male pattern baldness in their lifetime. That won’t be a surprise to anyone, but would you have guessed that an estimated 50% of women also experience noticeable hair loss according to the Cleveland Clinic. We actually have around 100,000 hair follicles on our head, of which we lose between 50 and 100 every day, completely naturally. Hair loss isn’t usually any cause for real concern on its own, but of course it

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4:47

How can you save money on your food bill?

Do you really know? ·

2025/11/16

The cost of living crisis has seen food prices increase by as much as 65% according to the Office for National Statistics meaning that the average British household spends an extra £600 pounds a year on food. But considering that there is also about 4.5 million tonnes of food waste annually the possibility of reducing wasted food as well as bills has never been more needed. Reducing your bill at the checkout comes down largely to planning. Getting organised about how, when and where you buy your

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4:30

Why does the cold make us need to pee?

Do you really know? ·

2025/11/16

We've all experienced it: the sudden urge to pee when it's cold is a common thing. This connection was supposedly discovered by Austrian physician Alfred Adler back in 1918. His experiment involved injecting cold water into a bladder to see how the body reacts. You might think it caused the kidneys to contract, but that's not the case... What did Adler discover then? Are there other factors explaining the link between the bladder and cold? What can you do if you struggle to hold it in? To listen

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5:16

Which foods will help you get a good night's sleep?

Do you really know? ·

2025/11/15

Here at Do You Really Know, we’ve talked over and over again about the importance of getting good quality sleep. So of course, you don’t want your evening meal to disrupt it, and that’s a cause of uncertainty for many people.Bear in mind that to drift off to sleep, your body temperature needs to gradually drop. Given that digestion tends to raise our body temperature, that poses quite the conundrum. Now, the richer the meal or the heavier the food you eat, the longer it takes to be digested, which

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5:00

What is a caffè sospeso?

Do you really know? ·

2025/11/15

Caffè sospeso literally translates to English as a ‘suspended coffee’. It’s an Italian tradition whereby cafe customers pay for an extra coffee that will be put aside, for a poor person to claim at a later time. The caffè sospeso idea can be extended to other types of food, and it’s seen a revival in popularity during the Covid-19 pandemic. It’s believed the caffè sospeso tradition was born in Naples’ historic Gambrinus café, around the start of the 20th century. Is it only the Italians who are

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4:48

Why do we get goosebumps?

Do you really know? ·

2025/11/15

The term goose bumps appeared way back in the 17th century, and describes the well-known phenomenon which shows up when we’re cold, scared or simply feeling strong emotions. For example, going out underdressed in winter, hearing the sound of fingernails on a chalkboard, or watching a horror film. Yes, indeed it can seem rather odd, but just like everything our bodies do, there’s a very logical explanation as to why they exist. Goosebumps are caused by the contraction of small muscles which are

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4:33

Should vapes have the same restrictions as cigarettes?

Do you really know? ·

2025/11/14

In the UK you can only buy vapes or e-cigarettes if you are over 18, but the bright packaging, fruit flavors and affordable prices attracts teenagers who often use disposable single-use products like Elf and Geek bars. Now campaigners are calling for tighter restrictions on vapes to bring them more into line with cigarettes. The Local Government Association (LGA), which represents councils in England, is asking for vapes to adhere to the same rules as cigarettes. This would mean they would have to

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4:43

Gaza: how do we recognize genocide?

Do you really know? ·

2025/11/14

Since October 7, 2023, Israel has waged an unprecedented offensive on Gaza. What began as retaliation against Hamas attacks has escalated into relentless violence. According to Statista, by July 30, 2025, more than 60,000 Palestinians had been killed by Israeli bombardments, including over 18,000 children. As early as November 2023, UN rapporteurs, NGOs, and lawyers warned that Israel’s actions amounted to genocide, an accusation Israel and its allies reject. What does the term genocide mean? How

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