Feeling stressed & hormonal? Here's what to do!

We’ve all heard it, right? “Stress is bad for you.” But here’s the real question — have you ever stopped to wonder why stress is so bad for you? It’s easy to brush it off like it’s just a normal part of life. But when you dig a little deeper, you’ll realise stress isn’t just something that messes with your mind. It’s something that impacts you physically — and even hormonally —  in ways you might not even realise.

What's really happening when stress hits your body?

Stress is often called a state of “disharmony,” and for a good reason. It’s that wave of worry or tension that hits you when life feels chaotic (and we’ve all been there!). When your brain registers a threat, your body goes into “survival mode.” This sets off a powerful physiological reaction, driven by two key systems: the sympathetic nervous system (SNS) and the hypothalamic-pituitary-adrenal (HPA) axis.

First, your SNS kicks into overdrive. Your adrenal glands (small triangle-shaped glands at the top of each kidney!) release adrenaline and noradrenaline, flooding your system with signals to get ready for action. Your heart races, your breath quickens, your pupils dilate (you become laser-focused), and your blood sugar spikes — giving you that instant energy boost. Your blood gets redirected to your muscles, so you’re physically primed to fight, run, or freeze. It's like your body is gearing up for a battle, even if that “battle” is just surviving a stressful workday.

But that’s not all. As the stress continues, your brain activates the HPA axis. This is the hormone system that links your hypothalamus and pituitary gland in your brain with your adrenal glands. This sends the signal to release cortisol — the stress hormone. And here’s where it gets interesting: cortisol doesn't just help your body manage stress, but also shifts your body’s focus away from other important processes, like keeping your reproductive system running smoothly!

Cortisol: The stress hormone that can make or break your balance

But here’s the thing: cortisol isn’t all bad. In fact, it’s actually a pretty essential hormone that keeps your body running smoothly.

When stress hits, cortisol jumps into action, keeping you on high alert and ready to face whatever comes your way. But it doesn’t stop there. Cortisol also helps regulate your blood sugar, metabolism, and acts as an anti-inflammatory. On top of that, it’s involved in memory formation, balancing your salt and water levels, and even influencing your blood pressure. And for us women, it plays a key role in pregnancy by supporting baby development.

In the short term, cortisol is your friend. But here’s the catch: when it sticks around too long, it can start causing trouble. It spikes your blood sugar (great for a quick energy boost, but not so much if it hangs out too long), messes with insulin, weakens your immune system, slows down wound healing, and can even throw off your appetite and mood. So while cortisol helps you power through stressful moments, if it overstays its welcome, it can take a serious toll on your health.

Stress and Your Cycle

For us women, stress can seriously mess with our periods — it can even throw the whole thing off track. A big part of this is the hypothalamic-pituitary-gonadal (HPG) axis – I know, it’s a mouthful. But basically, it’s the system that keeps your sex hormones in check, like luteinizing hormone (LH), follicle-stimulating hormone (FSH), estrogen, and progesterone. These are the hormones that keep your cycle in balance.

When stress spikes your cortisol levels, it can delay ovulation by blocking LH. Without LH, ovulation just can’t happen, which can make your cycle longer or even result in heavier periods. And for some women, too much stress can even shorten your cycle.

If stress sticks around long-term, it starts messing with your HPA axis (yep, the one we mentioned earlier that triggers your stress response!) - it will get triggered over and over again. This ongoing stress can throw your HPG axis (all your reproductive hormones) out of sync, leading to something called hypothalamic amenorrhea (HA). Basically, your hypothalamus — the brain’s hormone control center — stops sending the right signals to regulate your cycle. The result? Irregular periods, fewer periods, or sometimes, no period at all.

Hidden Stressors: How Your Daily Habits Impact Your Body

When your body is stressed, your menstrual cycle is often the last thing on its mind. Mental or emotional pressure is a major stressor, but there are also daily habits that can sneakily mess with your hormones — even if you don’t feel “stressed” in the usual way. Things like not fuelling yourself properly, pushing your physical limits, or skipping on sleep can create some serious hormone havoc.

• Take skipping meals or restricting food, for example. You might think it’s no big deal, but this can actually trigger your body to release more cortisol (that stress hormone we love to hate). Instead of starving yourself to cut calories, it's way better to focus on a balanced diet. Trust me, extreme calorie restriction only spikes cortisol levels, and that only does more harm than good.
  
  
• Over-exercising is another sneaky culprit. We all know how amazing exercise is, but too much of a good thing can backfire and lead to burnout. If you’re not giving your body enough rest and recovery, or fueling it properly to meet your energy needs, your cortisol levels can go completely out of balance, leaving you feeling drained, irritable, and just off.
  
  
• And then there's sleep (or lack of!). You might think it’s an afterthought, but sleep is one of the most important pieces of the puzzle when it comes to keeping your cortisol in check. Not getting enough sleep throws off cortisol levels, which can mess with your hormones and leave you feeling even more tired. Our cortisol levels have a natural rhythm — they're lowest around midnight and peak around 9 a.m. But poor sleep can mess with that natural rhythm, making everything harder.

 

Balance is the Answer

Stress is a normal part of life, no doubt, and it’s not inherently a bad thing. But here’s the catch: if we perceive stress as intense or if we’re exposed to it for long periods of time (hello, chronic stress), that’s when things take a turn. When stress becomes ongoing, the body’s response shifts from being helpful to working against us, potentially leading to hormonal imbalances and cycle issues. The good news? By understanding how stress impacts our bodies and paying attention to the signs, we can take steps to manage it better and keep our bodies — and hormones — in balance.