Food matters for immunity - but it’s not the whole story

Nourishing your body with the right foods is a powerful way to support your immune system but it’s only one piece of the puzzle. Especially in midlife, when hormones shift and your body’s stress, sleep and inflammatory responses can change. It’s worth looking at the bigger picture...

Here are five simple, research-backed ways to strengthen your immunity from the inside out.

1) Prioritise your sleep

Most adults thrive on around 7–8 hours a night, but midlife can make good sleep feel harder to achieve. While you rest, your body is busy repairing cells, calming inflammation and strengthening immune defences. Even small improvements in sleep quality can make a noticeable difference to your energy and resilience.

2) Manage your stress

Stress hormones like cortisol and adrenaline suppress the production of lymphocytes — the white blood cells that help you fight off viruses and bacteria. Midlife women often juggle work, family, ageing parents and hormonal shifts, so stress can build quickly. Try deep breathing, yoga, meditation or even a few minutes of stillness. Yoga With Adriene offers excellent free sessions if you need somewhere to start.

3) Move your body regularly

You don’t need intense workouts. Brisk walking, gentle strength work or yoga all count. Movement boosts immune function, reduces inflammation and supports emotional wellbeing through the release of mood lifting endorphins. Consistency matters more than perfection.

4) Spend time in nature

Nature is a natural stress reliever. Forest walks and green spaces have been shown to increase the number of white blood cells that help your body fight infection. Even 10–15 minutes outdoors can shift your mood and calm your nervous system.

5) Have a laugh

Laughter genuinely strengthens immunity by lowering stress hormones and increasing infection fighting antibodies. Whether it’s a funny podcast, a comedy show or time with people who make you smile, joy is medicine.

A simple idea to try this week: Take a brisk early morning walk in nature. Morning light helps regulate your sleep-wake cycle, reduces stress and sets you up for a calmer, more energised day.

See which of these you can weave into your week? Remember, small changes add up, especially in midlife when your body benefits from a little extra support.