Can you work out too much? What overtraining does to men’s testosterone levels

Exercise is good for you, until it isn’t. Most of us are told to move more, train regularly, and push ourselves to get stronger and fitter. But there’s a limit. And for men who regularly train at extreme intensity and volume, consistently going beyond that limit may quietly chip away at one of their most important hormones.

The impact of low testosterone on bone health

When most people think about testosterone, they picture muscles, mood, and libido. What doesn’t often come to mind is bone health.

What men need to know about testosterone and heart health

Testosterone isn’t just about sex drive or gym performance. In fact, your heart might depend on it more than you think. For decades, testosterone has been misunderstood, framed as a macho hormone tied to aggression or vanity. But behind the clichés lies something far more complex. Testosterone plays a vital role in nearly every system of the body, including the cardiovascular system. And for men, especially as they age, low testosterone may signal more than fatigue or low mood.

The biology of food noise

You might be working, driving, or sitting in a meeting, but part of your brain is elsewhere, mentally rifling through the kitchen cupboards. This intrusive soundtrack of food thoughts, known these days as “food noise,” is more than just a passing craving. It’s a psychological and biological tug-of-war that scientists are only beginning to map.

Hunger vs cravings: how to tell the difference

Most of the time, we eat because our body tells us we’re hungry. But sometimes, we eat only because we feel like it, are bored, or are enticed by external cues, such as the smell of a neighbour's morning bacon sandwich trickling through the window.

Why food noise gets louder at night

Almost a third of us are guilty of raiding the fridge at night, after we’ve had our dinner, according to our new nationwide survey of over 2,000 UK adults. It’s only natural to fancy a snack in the evening, even if you’re not hungry.

Understanding your thyroid test results chart

If you’ve ever had a thyroid function test (TFT), you’ve probably stared at a confusing lab report filled with markers like TSH, FT4, and FT3, and wondered what on earth it all means. But know that you’re not alone. Thyroid testing is pretty common, yet many people don’t fully understand what their results are telling them.

Thyroid health and female fertility: why blood testing matters

It’s not a hormone most people think about when planning for pregnancy, but the thyroid plays a quiet, important role in fertility. Nestled in the neck, this small gland affects everything from energy levels to menstrual cycles. And when its signals are off, even slightly, it can impact a woman’s ability to conceive or carry a pregnancy to term.

The overlooked symptoms of hypothyroidism

You’re tired all the time. Your skin feels dry, your hair’s thinning, and the number on the scale seems to be moving up even though nothing’s changed. It’s easy to chalk it all up to stress, age, or leading a busy life. But these seemingly unrelated symptoms may be connected by a common thread, and it might be your thyroid.

Rediscovering health and happiness: Helen’s transformation with Numan

After years of feeling lost in the demands of motherhood, Helen found herself craving a way back. Postnatal depression, lockdown isolation, and comfort eating had taken a toll on her health.

Ana's weight loss diary: what happened when I joined Numan

At Numan, we’re redefining how we approach weight loss. Rather than a number on the scale, it’s about improving health and happiness. Through our Weight Loss Diaries, we're excited to introduce Ana, who’s eager to share the highs, lows, and everything in between.

When exactly will you hit menopause?

Menopause is something every woman will experience, yet the age it begins and how it unfolds can look very different from one woman to the next. Some glide through it without noticing much of a difference, while others are caught off guard by years of hot flushes, disrupted sleep, and mood swings. But if you’ve ever wondered when menopause actually starts, the answer is both simple and surprisingly complex.

Are you experiencing hormone imbalance symptoms?

You’re tired, hungry, irritable… all part of the daily grind, right? Well maybe not - this could be a sign of a bigger problem. Namely, an imbalance in your hormones.

When does perimenopause begin? Understanding the timeline of change

Are you curious about when perimenopause might start for you? This significant phase marks the transition towards menopause, and understanding it can arm you with the knowledge to navigate it effectively.

Loose skin: a side effect of weight loss

You’ve done everything right. You’ve hit your step goals, pushed through plateaus, and watched the number on the scale drop. But as the weight comes off, something else is left behind - a body that no longer fits quite like it used to. Specifically, the skin.

What are the symptoms of menopause?

Menopause is a milestone that every woman reaches, but how it shows up and feels can vary widely. Some women breeze through it with barely a bump in the road. Others experience years of discomfort, confusion, and frustration. And it often starts earlier than expected, with symptoms creeping in around the age of 47, or even younger for those going through early menopause.1

What causes early menopause?

Most women expect menopause to arrive sometime in their early fifties. But for around one in ten, it comes much earlier - sometimes in their forties and occasionally even before age 40.1,2 This is known as early or premature menopause. While it’s more common than many realise, it’s often poorly understood.

What are the symptoms of perimenopause?

Are you navigating through the changes of perimenopause? During this natural transition in your life, your body is starting to shift towards menopause. As you age, your ovaries gradually produce fewer hormones, resulting in various physical and emotional changes.