The link between your handshake and lifespan

How strong is your grip? It’s a question you probably haven’t asked yourself lately, if ever. But according to research, the strength of your handshake could tell us more about your health and future than your blood pressure or heart rate.1

Is stress the hidden weight we carry?

For decades, we’ve been told that weight gain comes down to what we eat and how much we move. Calories in, calories out. But what if the biggest weight we carry isn’t on our plate or in our trainers, but in our minds? Data from Numan’s Weight Loss Programme sheds light on a long-overlooked contributor to weight gain and poor health outcomes: stress.

How to spot unhealthy 'healthy' foods

Navigating the shopping aisles can be confusing, with labels like "low-fat," "sugar-free," and "high-protein" making it hard to know what's truly good for you. Here’s what you need to know

Can low testosterone make you shorter?

Remember that feeling of pride when you finally hit your full adult height? Maybe it was 5’10”, maybe a towering 6’2”. You stopped growing, started filling out, and that number became a part of who you were. But fast forward a few decades, and suddenly the numbers are creeping down. An inch here, half an inch there. Why?

Could sex be the answer to a longer lifespan?

Having a satisfying sex life can help you stick around on this planet for a little longer - allegedly. Though it sounds far-fetched, it’s been backed up by science, as a statistical analysis of Welsh villagers found that men who have more orgasms seem to have longer lifespans.1

The impact of processed foods on the gut microbiome

In the 1990s, a Brazilian scientist named Carolos Monteiro noticed that childhood obesity rates were climbing fast in Brazil.1 But looking deeper into the matter, he noticed that it wasn’t just about the children eating too much salt and sugar. Instead, they realised that the bigger change was in what people were eating, and not just how much.1

Stride to success: 10 science-backed ways walking boosts weight loss

When you think of exercising to lose weight, your mind probably doesn’t go straight to walking. But it’s the most accessible way to get moving, and its benefits are proven by science.

Could Wegovy protect your liver?

Wegovy, one of the weight loss medications that has recently made history in obesity management, has been shown to unexpectedly improve liver health. This is due to semaglutide, the active compound in Wegovy, which has demonstrated promising effects on liver enzymes and inflammation in people at risk of fatty liver disease.1

How to deal with the guilt of over-indulgence at Easter

The long weekend often marking our entry into the summer months is coming, the chocolate wrappers will surely be strewn across the coffee table, and the last sliver of roast dinner may cause a little familial war. For many, however, the joy of Easter indulgence is quickly replaced by something far less welcome: guilt.

How to use your Mounjaro KwikPen: a step-by-step guide

A well-functioning pen starts with correct use, so be sure to follow these important steps. This will help keep your pen working correctly and make your treatment process smooth and effective.

How weight loss coaching helped Maria manage stress and transform her health

Maria Marques had struggled with her weight for years, but it wasn’t just about food. It was about stress, self-confidence, and the overwhelming feeling of being stuck in a cycle she couldn’t break. Four years ago, after having her last child, she found herself gaining weight in a way that felt impossible to reverse. “Everything - mental health, lockdown, kids, house, no social life - it all played a role,” she says.

Stress and weight: what a health psychologist has to say

Stress: it’s the uninvited guest that shows up unannounced, lingers too long, and disrupts almost every aspect of life, including your weight. Whether it’s juggling work deadlines, financial worries, or the ever-present mental load of daily responsibilities, stress is more than just a feeling; it has a profound impact on the body, particularly when it comes to weight gain and weight loss.

The physical implications of stress on weight gain

Stress often feels like an unavoidable part of life; from workplace deadlines to financial pressures, family responsibilities to the constant notifications on our phones, the body is often in a heightened state of alert. While most people associate stress with anxiety, tension, or sleepless nights, its effects go much deeper.

What can a blood test tell you about your erections?

Most men don’t think about getting a blood test when things aren’t working in the bedroom. But the truth is, a simple blood test can reveal a lot about male sexual function. From low testosterone levels to underlying conditions like diabetes and high cholesterol, blood tests offer deeper insights into what’s really going on beneath the surface.

Can a blood test predict longevity?

Most of us get blood tests to check for cholesterol, iron levels, or signs of diabetes. But what if a routine test could also offer a glimpse into your future; specifically, how long you might live? Scientists are increasingly looking at biomarkers in the blood as potential indicators of longevity, and recent studies suggest that certain blood markers may hold valuable clues about who is likely to reach 100 and who isn’t.1

5 alternatives to snail caviar when you're on GLP-1s

You don’t have to indulge in snail caviar or fried quail’s egg like Jeremy Clarkson to succeed in your weight loss journey. Let's break down some simple tips to help you succeed with insights from Zoe, Numan’s VP of Behavioural Medicine.

Preparing for the London Marathon: insights from Numan experts

Here at Numan, we're lucky to have a fantastic mix of runners on our team, each with their own wealth of experience and unique take on training and prepping for the race.

Meat-eaters vs. vegans: how their guts compare

The gut microbiome is one of the most powerful, yet often overlooked, forces shaping our health. It’s a vast ecosystem of bacteria, fungi, and other microbes living in our digestive tract, influencing everything from digestion to immune function, mental health, and even the risk of chronic diseases.1 But does what we eat determine the kind of microbes that thrive inside us? And do meat-eaters, vegetarians, and vegans have fundamentally different microbiomes?