
National Sauna Week: wellness with great prizes
- Promo - Promo
From Monday 14 to Friday 18 September 2026, the Belgian Sauna Association is organising National Sauna Week. And of course, Thermae Boetfort and Thermae Grimbergen are taking part too!
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An American study, involving some fifty subjects, brought some amazing results to light. For research purposes, a number of the participants were given a firm massage while their counterparts received a more gentle massage.
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Immediately prior to and after the sessions, all participants gave a blood sample. The outcome was overwhelming: participants’ blood composition had clearly changed.
Researchers found that cortisol levels, i.e. the hormone our bodies secrete when we are exposed to stress, had dropped markedly in the group who had received a firm massage. Their immune system had also been boosted and people appeared to be less aggressive.
The changes in the blood samples from people who had been given a more gentle massage were also striking. For one, they highlighted that the levels of oxytocin, the hormone that gives us a sense of security, had increased. The more oxytocin we have in our blood, the better we are able to cope with stress. What’s more, as a result of a drop in corticotropin-releasing hormone (CRH) levels, people’s cortisol levels had also decreased.
Conclusion: a heavenly massage reduces stress levels. This also means that you are less likely to contract any stress-related illnesses and ailments. You will feel a lot calmer and, hence, happier. In sum: massages are beneficial to both body and mind!

- Promo - Promo
From Monday 14 to Friday 18 September 2026, the Belgian Sauna Association is organising National Sauna Week. And of course, Thermae Boetfort and Thermae Grimbergen are taking part too!

- Promo - Promo
Visit Thermae Boetfort or Thermae Grimbergen in August and receive an exclusive voucher! This voucher lets you bring someone along to our sauna and wellness centre for free between 1 September and 16 October 2026.

- Sauna experience - Sauna experience
Pure relaxation is always at the heart of what we do, and that’s no different on public holidays. Thermae Boetfort is open on 15 August, the perfect day to slow down completely. Will you choose peace, warmth and pure indulgence on this holiday?
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