The goal of this study is to assess the effect of a therapeutic education program in addition of a hydrotherapeutic cure on obese patients.

The therapeutic education program at the thermal baths of Brides-les-Bains is composed of a dietary follow-up, a physical activities program, working group.

The participants are people that come to the thermal baths in order to follow an hydrotherapeutic cure (of about 3 weeks). For the Action group, they also follow a course of therapeutic education where they are given advices on how they should eat and have a regular physical activity.

This therapeutic education in addition of the hydrotherapeutic cure should help them lose weight and not gain in again.

The participants are followed for 18 months (17 months after leaving the thermal baths).

Inclusion Criteria:

• Body Mass Index (BMI) over 27 kg/m² (or equal)
• Has a valid email address, has access to the internet and to a telephone line
• Has a domestic scale compatible with its weight
• Signed the consent form
• Susceptible to accept the obligations generated by the study
• Has a health insurance

Exclusion Criteria:

• Has a progressive illness at the time of the study (cancer, neurodegenerative disease...)
• Is pregnant
• Follows the hydro-therapeutic cure in order to cure rheumatism
• Trying to lose weight prior to a surgery
• Has a diagnosed eating disorder
• Has no physical activity due to a handicap or a serious osteoarthritis
• Has taken a weight-loss drug (Orlistat) in the past month or will likely do so in the future
• Is taking a Desmopressin-based drug
• Is unable to understand or follow the protocol
• Is deprived of liberty
• Is under judicial protection