"Mild euphoria" refers to a feeling of happiness or excitement that is not intense or overwhelming. It's a pleasant and enjoyable state of mind, but not as intense as extreme joy or elation. Full definition
It also lowers blood pressure, eases digestion and helps increase air flow through the nasal cavities, creating feelings of mild euphoria akin to those of yoga or Lamaze breathing, researchers say. (articles.chicagotribune.com)
A press release by Lambeth council focuses almost exclusively on laughing gas — a basically harmless substance which causes very mild euphoria for a minute or so. (politics.co.uk)
Now our cravings for fatty and sugary foods, which release chemicals that can trigger mild euphoria, spur obesity and diabetes. (discovermagazine.com)