Do you really know?
Episodes
Is the body positivity movement over?
19 Dec 2025
Contributed by Lukas
Body positivity, once the rallying cry for self-acceptance and diversity, championed the idea that all bodies deserve recognition. Born online and amp...
Is intermittent fasting good for your health
19 Dec 2025
Contributed by Lukas
Intermittent fasting (IF) isn’t just a diet; it’s a pattern of eating. It’s not about what you eat, but when. The idea is simple: you cycle betw...
Why are Christmas adverts so moving?
18 Dec 2025
Contributed by Lukas
John Lewis has released its annual Christmas advert; entitled ‘The Beginner.’ It follows the progress of a middle aged man as he slowly, painfully...
How does "death cleaning" help you declutter your life?
18 Dec 2025
Contributed by Lukas
Back in 2010, Japanese writer Mari Kondo changed how we think about organisation and decluttering with her bestseller The Life Changing Magic of Tidyi...
How can I stop being a people pleaser?
18 Dec 2025
Contributed by Lukas
Did you get roped into taking care of your neighbour's dog again? End up laughing at a colleague’s awkward joke about your outfit? Or say yes to a l...
Why do people become kleptomaniacs?
17 Dec 2025
Contributed by Lukas
It might only affect between 0.3% and 0.6% of the population, but still public awareness of kleptomania is pretty strong. It’s come to our attention...
Why are social media algorithms so dangerous to young people?
17 Dec 2025
Contributed by Lukas
Beyond dancing, comedy and cute cat videos, social media sometimes hides a darker reality. The algorithms that control what we see on those apps are...
What are the best plant-based protein foods?
17 Dec 2025
Contributed by Lukas
Vegetarians and vegans, do you ever find it difficult to keep your diet balanced? Meat-eaters, if you’ve ever considered going veggie, was that some...
Why are Christmas films so popular?
16 Dec 2025
Contributed by Lukas
If you were to turn on your TV right now, or open up Netflix, the chances of you stumbling upon a cheesy Christmas movie would be pretty high. They te...
How to discard emotional baggage?
16 Dec 2025
Contributed by Lukas
Emotional baggage is a term we use to describe the unresolved issues, stress, pain, and difficulties that we carry around from our past experiences. I...
What are the worst Everest tragedies?
16 Dec 2025
Contributed by Lukas
There have been many films and documentaries about the thrill and struggle of climbing Everest and with social media it has become an ever more popula...
Why does Norway offer a Christmas tree to London every year?
15 Dec 2025
Contributed by Lukas
If you have ever been to London over Christmas then you could not have missed the lights on oxford street and of course the huge Christmas tree standi...
What is the snowball method of paying back debt?
15 Dec 2025
Contributed by Lukas
The snowball method is based on the idea of paying off your smallest debt first, while making minimum payments on the rest. Then, you take the money...
What is the optimism bias?
15 Dec 2025
Contributed by Lukas
Today we're going to talk about a cognitive bias that causes people to believe, often mistakenly, that they are less likely to experience negative eve...
What should I eat before going to bed?
14 Dec 2025
Contributed by Lukas
No doubt you’ve realised that some types of food have a boosting effect, like eggs, oats and avocado for example. That’s because they contain tyro...
Why does our nose run when I'm sick?
14 Dec 2025
Contributed by Lukas
Are you feeling the chills, a scratchy throat, and a non-stop runny nose? Winter brings the cold bug everywhere – in public transport, at work, and ...
Is period underwear really better for the environment?
14 Dec 2025
Contributed by Lukas
Period underwear came out in 2013 but has increased in popularity, largely as they claim to be better for the environment and easy to use. However, ...
How can I beat a hangover?
13 Dec 2025
Contributed by Lukas
If you drink alcohol, the chances are at some point you’ve had to deal with a nasty hangover, due to drinking too much. The associated headache, nau...
Can going braless be good for you?
13 Dec 2025
Contributed by Lukas
The trend, which emerged in certain feminist movements in the 1960s, has been spreading on social networks since 2020, notably under the #NoBra banner...
What are the warning signs of depression?
13 Dec 2025
Contributed by Lukas
In any given week in England, 3 in 100 people are suffering from depression, according to a NatCen Social Research study published in 2014. Depression...
Could ChatGPT replace doctors?
12 Dec 2025
Contributed by Lukas
As artificial intelligence evolves at lightning speed, more and more people are turning to it for health advice. A survey conducted in April 2025 by t...
What is orthorexia, the disorder which sees healthy eating go too far?
12 Dec 2025
Contributed by Lukas
According to the American National Association of Anorexia Nervosa and Associated Disorders, around 9% of the US population are affected by an eating ...
How can I improve my concentration at work?
12 Dec 2025
Contributed by Lukas
No matter how prepared you are going into your normal day at the office, spending hours at your desk can get mundane and boring. Before you know it, y...
How to have an eco-friendly Christmas?
11 Dec 2025
Contributed by Lukas
Christmas need not be a frenzy of shopping and unwanted gifts; more and more of us want to be mindful, minimal-waste consumers so here are some tips o...
Can you get rid of cellulite?
11 Dec 2025
Contributed by Lukas
Cellulite is a regular source of insecurity among women. That’s been especially true since women’s magazines came along, pretty much labelling it ...
What are the secrets behind the Lord of the Rings saga?
11 Dec 2025
Contributed by Lukas
The three Lord of the Rings stories quickly became huge hits when first released as novels in the 1940s. They quickly built a cult fan base due to the...
Why does poverty cosplay cause such controversy?
10 Dec 2025
Contributed by Lukas
Don’t you just hate it when you see a rich and famous person wearing worn-out trainers or patched clothes, pretending to do a mundane 9 to 5 job, or...
Are scented candles and air freshener bad for your health?
10 Dec 2025
Contributed by Lukas
Scented candles, air fresheners and even scented cleaning products are all designed to make your home smell nice, clean and fresh. But using them ca...
How to buy second hand gifts?
10 Dec 2025
Contributed by Lukas
November is synonymous with Black Friday, great deals but what cost? Over consumption is endangering our already fragile planet. Is it time to change ...
Why do crowd crushes happen?
09 Dec 2025
Contributed by Lukas
On 29th October 2022, 20,000 people were celebrating Halloween in the Itaewon neighbourhood of Seoul in South Korea. One particularly narrow street be...
What is menstrual leave?
09 Dec 2025
Contributed by Lukas
All week long, we’re looking into 10 new terms and concepts that are certain to be on everyone’s lips in 2023! Despite the fact that we’re in 20...
Why are Nobel Prizes so important?
09 Dec 2025
Contributed by Lukas
Between 7th and 14th of octobre 2024, Nobel Prize award ceremony take place in Stockholm. Like every year, it’s held on 10th December, to coincide w...
What is the placebo effect and how does it work?
08 Dec 2025
Contributed by Lukas
The placebo effect is a phenomenon in which a person's symptoms or well-being improve after receiving a fake treatment that has no specific or intrins...
How can I eat healthy on a budget?
08 Dec 2025
Contributed by Lukas
The first quarter of 2023 has seen food inflation in the UK surpass 16%, according to the Office for National Statistics. Such inflation rates hadn’...
Why do we associate red and green with Christmas?
07 Dec 2025
Contributed by Lukas
Christmas is a time of joy, celebration, gift-giving and of course decorating. For the most part people tend to stick to ‘Christmassy colours’ es...
Are we more likely to fall in love when it's cold?
07 Dec 2025
Contributed by Lukas
As winter quickly approaches, you might find yourself yearning to spend your evenings nestled on the couch, wrapped in a cosy blanket, sipping on hot ...
Could the human race become infertile?
07 Dec 2025
Contributed by Lukas
In April 2023, the World Health Organization released a new report on infertility, which said that around one in sex people worldwide experience infer...
What are nepo babies?
07 Dec 2025
Contributed by Lukas
All week long, we’re looking into 10 new terms and concepts that are certain to be on everyone’s lips in 2023! In December 2022, New York magazine...
How did female body hair become taboo?
06 Dec 2025
Contributed by Lukas
According to Healthline.com, the human body has around 5 million hair follicles. Now you might not have guessed, but that figure is around the same fo...
Can men have multiple orgasms?
06 Dec 2025
Contributed by Lukas
It’s well known that women can often have multiple orgasms in succession, an ability which is much less common, and more complex, for men. That...
What are the most addictive foods?
06 Dec 2025
Contributed by Lukas
Whether it’s pizza, chocolate, ice cream or French fries, you’ve no doubt noticed that your favourite guilty pleasure food just seems to be so add...
Can a night owl ever become an early bird?
05 Dec 2025
Contributed by Lukas
In a world where “the early bird gets the worm,” staying up late is often mistaken for laziness or a lack of discipline. But what if it’s not ab...
Could zero dates make your love life more efficient?
05 Dec 2025
Contributed by Lukas
In early 2023, dating site Eharmony released findings from a survey of over 1000 singletons. The research found that on average they spent 55 minutes ...
What is the living dead syndrome?
05 Dec 2025
Contributed by Lukas
In Tim Burton’s 2004 film “The Corpse Bride,” groom to be Victor, rehearses his wedding vows in the forest to calm his anxiety. However, he mist...
What does general anesthesia do to the brain?
04 Dec 2025
Contributed by Lukas
Research published in the British Journal of Anaesthesia suggested that there are nearly 3 million general anesthesia procedures in the UK each year. ...
Can the weather really influence our mood?
04 Dec 2025
Contributed by Lukas
We’re only a few weeks from the official start of summer, but you wouldn’t guess it given the wet conditions that we’ve seen for most of spring ...
Could gamophobia be hurting your relationship?
04 Dec 2025
Contributed by Lukas
Committing to a romantic relationship is by its very nature a significant transition in a person’s life. And that can often be a source of stress or...
Why do we get “pumpkin spice fatigue” in autumn?
03 Dec 2025
Contributed by Lukas
Every year it’s the same old story: autumn arrives, the trees start shedding their leaves, and somehow we also just feel drained. There’s less d...
Can you eat eggs everyday?
03 Dec 2025
Contributed by Lukas
Whether they’re soft-boiled, fried, poached, or whipped into cakes and pies, eggs are a kitchen favorite for good reason. In the UK the average pers...
How do you build up your brain power?
03 Dec 2025
Contributed by Lukas
Our brain, much like our muscles, benefits from its own form of exercise. Through dedicated training and stimulation, we can enhance our cognitive abi...
Why is swearing actually good for us?
02 Dec 2025
Contributed by Lukas
Do you ever feel bad about swearing out of frustration? You know, when someone cuts in front of you while you're driving, you stub your toe or you acc...
Can you really lose weight by walking?
02 Dec 2025
Contributed by Lukas
Walking is something we all do every day, but did you know it has numerous health benefits? It’s not just a simple way to get from point A to point ...
How often should I wash my towels?
02 Dec 2025
Contributed by Lukas
Towels, used to dry our freshly washed bodies, quickly become dirty, collecting dead skin cells, perspiration, bacteria and fungi that thrive in damp ...
Do women really watch less porn?
01 Dec 2025
Contributed by Lukas
A Swiss survey from 2023 suggests they do: 73% of women said they never watch pornography, compared to just 17% of men. Talking about porn consumption...
How can you manage your anger better?
01 Dec 2025
Contributed by Lukas
Let’s face it, life throws curveballs at us—being stuck in traffic, a demanding boss, or even chores piling up at home. Anger is a natural respons...
Is your employer tracking you while you work from home?
01 Dec 2025
Contributed by Lukas
One of the consequences of the pandemic has been the increased interest and possibility for people to work from home. For many it is a great option, b...
What is relationship anarchy?
01 Dec 2025
Contributed by Lukas
"Love is abundant, and every relationship is unique." That might not seem like the most controversial of statements, but it’s actually the first poi...
Why do our stomachs rumble?
30 Nov 2025
Contributed by Lukas
It can be embarrassing when your stomach rumbles in public, but it’s a totally natural bodily function. The scientific name for those rumbles or gro...
Is veganism really the best choice?
30 Nov 2025
Contributed by Lukas
Veganism is a lifestyle that excludes all animal products from one’s diet and other aspects of life. That means no meat, eggs or dairy but it can al...
What’s the best sleeping position?
30 Nov 2025
Contributed by Lukas
Side, stomach or back; what kind of sleeper are you? Some people say that our sleeping position reflects what kind of person we are. .. While we can’...
What are the best ways of beating procrastination?
29 Nov 2025
Contributed by Lukas
Do you ever feel like you’re always in a rush, constantly getting things done at the latest possible time? It could be paying a bill, cleaning our h...
Which foods and drinks stain teeth?
29 Nov 2025
Contributed by Lukas
Having beautiful white teeth of course depends on good oral hygiene to a degree. But brushing and flossing alone aren’t the only factors. The struct...
How can I spot a liar?
29 Nov 2025
Contributed by Lukas
Lying is the act of deliberately making a false statement or concealing the truth. People might lie for different reasons, like to avoid getting into ...
What impact does your first love have on the rest of your life?
28 Nov 2025
Contributed by Lukas
Most of us never really forget the person who first made our heart race or that awkward, wonderful, or maybe disappointing teenage kiss. Whether it ...
Is eating fish still good for you?
28 Nov 2025
Contributed by Lukas
On paper, fish have everything required to be an excellent staple to many diets. They’re rich in protein, vitamins, trace elements, long-chain omega...
Why do I need a Shultz Hour in my weekly routine?
28 Nov 2025
Contributed by Lukas
As Ronald Reagan’s US Secretary of State during the 1980s, George Shultz played a key role in bringing an end to the decades-old Cold War. He helped...
Why do we forget our dreams?
27 Nov 2025
Contributed by Lukas
On average, we remember just one dream per week, and around 5% of us never remember any. But in reality, we all dream; it’s just that some of us nev...
Why do we drive on the left hand side of the road?
27 Nov 2025
Contributed by Lukas
According to the AAA Foundation for Traffic Safety, there are as many as 430 deaths per year due to wrong-way crashes in the United States alone. That...
How to make the most out of hybrid working?
27 Nov 2025
Contributed by Lukas
Covid allowed many people to work from home for the first time and created a world where more flexible, hybrid working, mixing office work and working...
Why do we hook up with our exes so often?
26 Nov 2025
Contributed by Lukas
You thought they were the one. You could already see yourselves growing old together… and then it just fell apart. A few arguments, one or two mista...
Why does smiling increase life expectancy?
26 Nov 2025
Contributed by Lukas
An often cited estimate suggests that children smile an average of 400 times per day, while when we reach adulthood that figure drops to just 50 times...
How can I beat my smartphone addiction?
26 Nov 2025
Contributed by Lukas
The word nomophobia means a fear of being without our smartphone, and it’s affecting more and more people with each passing year. Back in 2021, a ...
Why do men often wake up with an erection?
25 Nov 2025
Contributed by Lukas
A lot of people think that morning erections are triggered by erotic dreams, or a need to pee, but in fact they're a physiological reflex linked to sl...
What 5 foods can improve brain performance?
25 Nov 2025
Contributed by Lukas
Eating a healthy diet that includes a lot of fruits, vegetables, legumes, and fish can help you keep your brain in tip-top shape. There are plenty of ...
Is moaning and grumbling good for mental health?
25 Nov 2025
Contributed by Lukas
It is a bit of a stereotype that the Brits love to moan, with the weather and Brexit being among the most common causes of grumbling around the countr...
What are primitive reflexes?
24 Nov 2025
Contributed by Lukas
According to the UK Office for National Statistics, September 26 was the most popular day to be born over the last two decades, which falls 39 weeks a...
What is the carnivore diet?
24 Nov 2025
Contributed by Lukas
We’ve all heard about the importance of getting a balanced diet, but some people choose to ignore that advice completely, and those following the ca...
Why am I experiencing deja vu?
24 Nov 2025
Contributed by Lukas
The strange experience of deja vu sometimes lasts just a matter of milliseconds. Nonetheless it can still catch you off guard and be pretty unsettling...
How to exercise safely when the weather is cold?
23 Nov 2025
Contributed by Lukas
Many people tend to exercise less during the colder months, preferring to stay indoors and avoid the chilly weather. But doing exercise in winter is a...
Why do some people get a headache during sex?
23 Nov 2025
Contributed by Lukas
Sex is generally synonymous with pleasure, but sometimes it can bring on headaches that are unpleasant at best. They’re known as sex headaches or or...
What is the 12 week method for achieving your goals?
23 Nov 2025
Contributed by Lukas
Every January, many of us set ambitious resolutions for the year ahead. We jot down our aspirations, fueled by goodwill, and promise ourselves that th...
Why will we be using liquefied natural gas to heat our homes this winter?
22 Nov 2025
Contributed by Lukas
Talk of energy has been storming the headlines recently. A long, cold winter is approaching and prices are soaring, due to the ongoing Russia-Ukraine ...
Are men really more sensitive to pain than women?
22 Nov 2025
Contributed by Lukas
When it comes to health, it’s clear that gender differences play a significant role. It's now recognized that the occurrence of diseases, their onse...
How can I improve my sporting performance through mental preparation?
22 Nov 2025
Contributed by Lukas
It's back to school! Do You Really Know is dedicating a special week to sport. Because moving and doing regular physical activity is important for our...
Is it still possible for young people in the UK to become homeowners?
21 Nov 2025
Contributed by Lukas
In the UK, owning a home is still seen as a key sign of financial stability. For many, it means security against life’s uncertainties - job loss, il...
How can I know if my partner is micro-cheating on me?
21 Nov 2025
Contributed by Lukas
When it comes to what counts as being unfaithful in a relationship, everyone has their own definition. Some might say that only physical contact with ...
How do I know if I sleepwalk?
21 Nov 2025
Contributed by Lukas
Sleepwalking is a disorder that comes on during the deep sleep phase, from one to three hours after falling asleep. Episodes can last from 5 to 30 min...
Why do we put on weight when in a relationship?
20 Nov 2025
Contributed by Lukas
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 gra...
How do I know when to end a friendship?
20 Nov 2025
Contributed by Lukas
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 alwa...
How can I have a healthier relationship with my smartphone?
20 Nov 2025
Contributed by Lukas
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 entertainme...
What does loneliness do to our brains?
19 Nov 2025
Contributed by Lukas
Not everyone has the same relationship with social contact. Introverts, for example, recharge by spending time alone. Meanwhile extroverts get their e...
Why do I get vertigo?
19 Nov 2025
Contributed by Lukas
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 b...
How can the AAA method help you in tricky work situations?
19 Nov 2025
Contributed by Lukas
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...
Are Skyr yoghurts really good for you?
18 Nov 2025
Contributed by Lukas
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...
Why do some men get ill after they orgasm?
18 Nov 2025
Contributed by Lukas
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 ...
How can I best preserve food in my freezer?
18 Nov 2025
Contributed by Lukas
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 ...
What is a tumour?
17 Nov 2025
Contributed by Lukas
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 ...
Are blue eyes really more sensitive to light?
17 Nov 2025
Contributed by Lukas
The idea that light-colored eyes are generally more fragile is pretty widespread. They’re less resistant to sunlight and require more protection. Ac...
How can I protect myself from winter viruses?
17 Nov 2025
Contributed by Lukas
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 breed...
Can I prevent hair loss?
16 Nov 2025
Contributed by Lukas
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 su...