1. Study on intranasal insulin delivery to the brain.
2. Participants: 16 older adults (7 CN, 9 MCI).
3. Insulin uptake varies between cognitively normal and MCI.
4. Key brain regions with elevated uptake: hippocampus, amygalda.
5. Study indicates potential for Alzheimer's therapies using intranasal insulin.
6. Minor side effects included mild headaches.
7.  Study supports further clinical trials in brain-targeted treatments.

Source: Alzheimer's & Dementia