What do chia seeds do for the body?

Could you elaborate on the potential health benefits of chia seeds for the human body? Are they rich in nutrients? Do they aid in weight management? Do chia seeds have any specific effects on heart health or blood sugar levels? Are there any scientific studies that support these claims? Additionally, are there any potential side effects or interactions with other medications that should be noted? It would be helpful to gain a comprehensive understanding of how chia seeds contribute to overall health and well-being.